Pith Number

pith:SVFP5XSD

pith:2018:SVFP5XSD7HMP46EQMZBQGQBRRS

not attested not anchored not stored refs pending

Space Telescope and Optical Reverberation Mapping Project. X. Understanding the Absorption-Line Holiday in NGC 5548

A. Gupta, A. J. Barth, B. M. Peterson, C. Knigge, D. A. Starkey, D. M. Crenshaw, E. Dalla Bonta, F. Guzman, G. A. Kriss, G. De Rosa, G. J. Ferland, I. M. Mc Hardy, J. Kaastra, J. M. Gelbord, Keith Horne, K. T. Korista, M. C. Bentz, M. Chatzikos, M. Dehghanian, M. Mehdipour, M. M. Fausnaugh, M. R. Goad, M. Vestergaard, N. Arav, P. A. M. van Hoof, R. J. R. Williams, R. W. Pogge, S. Bisogni, S. Mathur, W. N. Brandt

arxiv:1812.11578 v3 · 2018-12-30 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVFP5XSD7HMP46EQMZBQGQBRRS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:43:37.474523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954afede43f9d8fe789066430340318c83a4e56eabe770838967c0f0839cf9a9

Aliases

arxiv: 1812.11578 · arxiv_version: 1812.11578v3 · doi: 10.48550/arxiv.1812.11578 · pith_short_12: SVFP5XSD7HMP · pith_short_16: SVFP5XSD7HMP46EQ · pith_short_8: SVFP5XSD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SVFP5XSD7HMP46EQMZBQGQBRRS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 954afede43f9d8fe789066430340318c83a4e56eabe770838967c0f0839cf9a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccc069556126a77a992d9daca02343683c3f66a9f8268e760d0d061eaac48add",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-30T18:06:53Z",
    "title_canon_sha256": "5c790f666e69c07cbfb3e34e5138d8d12c67c7b2960076cd9b07466a623cab36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11578",
    "kind": "arxiv",
    "version": 3
  }
}