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Paper Citation Record · LEDGER

SATURN -- Software Deobfuscation Framework Based on LLVM

As of 15 August 2026, this Paper Citation Record lists 39 of 39 outbound references and 0 inbound Pith citation observations for arXiv:1909.01752.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
1909.01752 v2

Coverage vector

measured 39 of 39 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T05:12:34.968553Z

measured 39 of 39 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

39 of 39 outbound references displayed

  • verified exact3
  • verified fuzzy3
  • unresolved28
  • parse uncertain0
  • malformed identifier1
  • metadata mismatch4

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 83403fda-4858-476e-a332-7eeb2fb0bfd9 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 1

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.210770Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.797486Z digest=sha256:4b80dbece8980f909c1ff5351dc0c367f832a1c9820c47c3fed82fc971fd4ae8

Observation 470362a9-528f-4ee2-8a27-0ac88b0bd3c5 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 2

Resolution
metadata mismatch
raw_fallback, observed 2026-08-14T05:12:35.924675Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.802416Z digest=sha256:5981759469eb82d7d9b90844a797497dc3649aa17744f32a3cbe59401f9de922

Observation d07e0cc5-35ff-4c7a-8381-ce9981b9421f · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 3

Resolution
verified exact
doi, observed 2026-08-14T05:12:35.056955Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.806916Z digest=sha256:66a97bc8e621252fe11dd579a870d28d76d5b5f57fba8325d628605afb448228

Observation 23c6d0e0-4a8d-4101-9964-fa94b4895e16 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 4

Resolution
metadata mismatch
raw_fallback, observed 2026-08-14T05:12:35.852995Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.812877Z digest=sha256:202a37fa588d21a17f9cbd8990573102ffc340d66bb5720c215e1353056b3e0e

Observation 08b1ef5d-d904-495b-962b-a87524f5ad0b · outbound

This paper cites 2016 [cit.

SATURN -- Software Deobfuscation Framework Based on LLVM 2016 [cit

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T05:12:36.197429Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.818212Z digest=sha256:43f2318611db5ce09deaa0f676afda6dcdd97862d75484cd3f3768f57bd10ace

Observation e24cda0e-9df5-41e0-a80a-d3555fb9b054 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 6

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.822580Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.822580Z digest=sha256:2cd4fd8ffe625b8350ce6878f4a185d3bd1208971fefd2143352d04ca7311866

Observation da34246d-93fe-4e27-8a1f-f912b8654676 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 7

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.183791Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.827370Z digest=sha256:38a23847856c14189d894bd4d1967b4f071d9ac52bfe31d6ebc5d1e302b09922

Observation f49274c3-20d3-4525-a724-0aac901da7d3 · outbound

This paper cites Rosen, Mark N.

SATURN -- Software Deobfuscation Framework Based on LLVM Rosen, Mark N

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.831605Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.831605Z digest=sha256:d475495f9f26aac6627dc0a54f1832a009a8779dcbb004b3e3dc61ad65d665bc

Observation 9aac62c4-d3c7-4dde-8ece-2b648d383273 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 9

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.835944Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.835944Z digest=sha256:b8f4531ed1964806d30135c98e926e8955471f8ee28317746535d5a0711aa46f

Observation bee6c535-b909-4371-b82a-f64550f4acc3 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 10

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.170136Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.840329Z digest=sha256:59cefb41ec37266922aa5108099f0a10881504779f802edbf6c0c10ebd5d1476

Observation b8a6a0ba-0062-451b-894e-f203a12f9843 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 11

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.844517Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.844517Z digest=sha256:e33217bc252954edb4a1178b9b1b1645e12e0a5f2ce029425a3028f82edd0bea

Observation 8289b46a-ec34-4141-a354-6b60002de12b · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 12

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.156384Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.849290Z digest=sha256:a66bc9b3a89a497a60962d9cd590329ba85edbd03a5dd3f0d4f3de7f343ed13a

Observation 24a3238a-599f-4ed9-9338-3ecf178590a9 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 13

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.142535Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.854349Z digest=sha256:175b936ece76039983f1a028bdee187cee50b83f43a857e9f107fb64781abf90

Observation 4f669e6f-92af-4e35-b385-3ab084df8435 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 14

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.128411Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.858719Z digest=sha256:a0a20710cb1e593e46bd16aa3fbae0c0cf690e11cc08e7e7ad8b36e1c9442d14

Observation 5b1d2bfb-c4c0-45c7-a950-0b704f853a70 · outbound

This paper cites Kroustek, P.

SATURN -- Software Deobfuscation Framework Based on LLVM Kroustek, P

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T05:12:36.114467Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.863892Z digest=sha256:d9da75f1073de90ec77aef066864c50ce173a90a4133249383e2358b23ce8297

Observation 28e50d34-64c5-4cb3-a186-5e84bc090682 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 16

Resolution
metadata mismatch
raw_fallback, observed 2026-08-14T05:12:35.571614Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.868417Z digest=sha256:a8107ba32a1fd83051b0a66d2fe0b7f3341cb6e8631ec7478199579dd32fbddf

Observation 375a1aaf-bd2c-43ba-a2e0-2e69c1738c91 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 17

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.099933Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.872694Z digest=sha256:92afc0fdd64f706e2777185067a09e214515aa757ef78d606fbb4776694c1422

Observation 5e2e105c-46ec-496b-b5a6-d5ff6325c5d3 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 18

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.085246Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.877609Z digest=sha256:b52717f46332166da168da7699db83a957b97e62f576f2a3daa4720144a21031

Observation c1b85282-4d16-4587-b478-119093d319c5 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 19

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.881858Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.881858Z digest=sha256:0088f9fb7cc51ab754e3776649e847625da80e07eed1f725693e6ec363b3ad48

Observation f0a298e7-0308-492f-b5cc-0e35b8440287 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 20

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.071501Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.886701Z digest=sha256:7f6fa37042ea7c3b8ebdcec647dbca54f1773d771a244cdf94384f960c6ececb

Observation de03b707-9323-45fe-8b5f-6cf01ba43936 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 21

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.057649Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.891129Z digest=sha256:6f9deae6509928699412e97df2d03281741c4bc5270229bed42c576fa43dfa51

Observation 83483213-48ac-4e7c-b591-1701ddee0b16 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 22

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.044014Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.895753Z digest=sha256:ae3c9d96989b695d055789cef24ee93f931ddf7dde9f2c88802188aa186f47b2

Observation 3a96cda7-e535-4008-8ae2-6c73b43c430d · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 23

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.029294Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.904913Z digest=sha256:f2af436093f0784c812f0c231bc93a0848f6b343a1762f95c68b9b785e5b00ae

Observation 27753aa9-563a-47ac-b9be-dbb0a67acc5a · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 24

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:36.012121Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.909214Z digest=sha256:3b274559d673b5de3e90a78e62a04ad71aae0c9eb5f35f10db51eee20d17a665

Observation 4841e262-f624-45e6-92d2-4e61f923c224 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 25

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:35.998043Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.913412Z digest=sha256:eb187763ab76dd68badc600918ad97a422ae3c80c55fed37af8fba341440ed39

Observation 4744a28c-f44a-4db6-b291-d95348a4ff3b · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 26

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.917604Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.917604Z digest=sha256:ccee13377e3fe8595afeb9d1c5edf0e5e083ecb7d010795745958daa0a291458

Observation b15325dc-6c5c-4a2c-ac8a-40b3c59bb288 · outbound

This paper cites Souper: A Synthesizing Superoptimizer.

SATURN -- Software Deobfuscation Framework Based on LLVM Souper: A Synthesizing Superoptimizer

Reference 27

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.922096Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.922096Z digest=sha256:04095c658ecf8dc323a5c693c09be25f7a10bf4f57c620661ec7c06d29adbfd0

Observation 7ed0b025-d17d-490a-b241-451776a0fc71 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 28

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.926602Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.926602Z digest=sha256:b80b59b6e95eb99640190390029e97d4453be957c937a0b2f02ade89d33ab2c0

Observation a275b9f3-5c1f-4fe1-9906-b3b1da91fc86 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 29

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:35.983529Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.930894Z digest=sha256:3e238f161df7dd118fdfa8ba7e19d08fb6b2c9a998576f444808b01f711cf00d

Observation 1356c1d0-fded-4a62-8126-8b53f92a2691 · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 30

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:35.968437Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.935249Z digest=sha256:42c765398bbbf21d87a093502fe427ea347ed1b4246f3b1bcebad82125cd13bb

Observation 4c30cc46-6c20-4297-bbcf-188275dd7c0c · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 31

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.939365Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.939365Z digest=sha256:6385e882a4fcd656d9b53562e23138c88d3f8467436b74119c1fb4d4e61fa1c9

Observation 11270f8b-1b0b-4348-875e-f2ba7dc6a46a · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 32

Resolution
unresolved
raw_fallback, observed 2026-08-14T05:12:35.954334Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.943506Z digest=sha256:fa359bbb0eab6e26b750ad9a9df2b964805bea0f6c99abab17abf41dc2655ae2

Observation 64886981-d992-48eb-8726-8b4e0e78970d · outbound

This paper cites 2011.Engineering A Compiler (2nd ed.).

SATURN -- Software Deobfuscation Framework Based on LLVM 2011.Engineering A Compiler (2nd ed.)

Reference 33

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T05:12:35.939058Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.947535Z digest=sha256:8e70988b3848fa3e4c89a3f14a804328ca3449f64bb1094cb50bf2c2acdfb5f3

Observation aef1694e-57d5-4b6b-b61e-3eeabb11105e · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 34

Resolution
metadata mismatch
raw_fallback, observed 2026-08-14T05:12:35.308587Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.951577Z digest=sha256:fff694c0524a8c75844fddd828c90d69d2b4a2de560064adab0b0a98d5562475

Observation c23d9e71-7678-428b-8e13-029b85e48cab · outbound

This paper cites an unresolved cited work.

SATURN -- Software Deobfuscation Framework Based on LLVM Unresolved cited work

Reference 35

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.955952Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.955952Z digest=sha256:5b0f077e1a5c4e7dcf14fec1292afcf36b8b9227dea7d0c0ac06002d41aaf3f3

Observation 4f562f24-a913-48ef-a8dc-7bdd894d3853 · outbound

This paper cites Bharadwaj Yadavalli and Aaron Smith.

SATURN -- Software Deobfuscation Framework Based on LLVM Bharadwaj Yadavalli and Aaron Smith

Reference 36

Resolution
malformed identifier
no resolver link, observed 2026-08-14T05:12:34.960163Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.960163Z digest=sha256:4b48feda083c387ba228e24f51c7de9a244d2d9790db7ef68215d3ae4673f29a

Observation c6bfdce0-7d47-49e9-8311-d8097e7bcd2a · outbound

This paper cites Yadegari, B.

SATURN -- Software Deobfuscation Framework Based on LLVM Yadegari, B

Reference 37

Resolution
unresolved
no resolver link, observed 2026-08-14T05:12:34.964265Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T05:12:34.964265Z digest=sha256:a51bf88ca8f3bcc58c100c4b12fcb5d85948f91a23eff655458a3753f79e7f20

Observation a5d4b25e-2655-42a1-b056-0f98dc967904 · outbound

This paper cites SymPas: Symbolic Program Slicing.

SATURN -- Software Deobfuscation Framework Based on LLVM SymPas: Symbolic Program Slicing

Reference 38

Resolution
verified exact
local_arxiv, observed 2026-08-14T05:12:35.081818Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.968553Z digest=sha256:1ba00205090fd92079658ca8e9ebc8cc2d7b1a54dcfa844fe50c7426b6f28075

Observation 1f191a3d-9832-4863-851d-d4afb320f362 · outbound

This paper cites How to Kill Symbolic Deobfuscation for Free; or Unleashing the Potential of Path-Oriented Protections.

SATURN -- Software Deobfuscation Framework Based on LLVM How to Kill Symbolic Deobfuscation for Free; or Unleashing the Potential of Path-Oriented Protections

Reference 2019

Resolution
verified exact
local_arxiv, observed 2026-08-14T05:12:35.497355Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.

source=pdf_text observed=2026-08-14T05:12:34.900251Z digest=sha256:29f79a00d6ae872da4db7972a9685467ec8274309a6b4c12c238ecdb12ab9b7c

Pith citing papers

No inbound Pith citation observations are available.