Pith Number

pith:CDRX4BFT

pith:2025:CDRX4BFT3B3WEVTIHBJRF7EZOT

not attested not anchored not stored refs pending

Trusted Repeater Placement in QKD-enabled Optical Networks

Arup Kumar Marik, Basabdatta Palit, Sadananda Behera

arxiv:2509.10338 v1 · 2025-09-12 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDRX4BFT3B3WEVTIHBJRF7EZOT}

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	2026-07-05T12:11:07.589258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e37e04b3d877625668385312fc9974ec515262d49aa434fb0edeb840590c0b

Aliases

arxiv: 2509.10338 · arxiv_version: 2509.10338v1 · doi: 10.48550/arxiv.2509.10338 · pith_short_12: CDRX4BFT3B3W · pith_short_16: CDRX4BFT3B3WEVTI · pith_short_8: CDRX4BFT

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/CDRX4BFT3B3WEVTIHBJRF7EZOT \
  | 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: 10e37e04b3d877625668385312fc9974ec515262d49aa434fb0edeb840590c0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d40c389cb0dfac97c22251da57fc77b8626f8e2082f6e47626b12484a1469f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2025-09-12T15:19:44Z",
    "title_canon_sha256": "83cd8039db78def268b555446acdc7812fbcfd56b7546470ac46d7a22db523b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10338",
    "kind": "arxiv",
    "version": 1
  }
}