Pith Number

pith:W5YAORKF

pith:2015:W5YAORKF2T2SZCFIWZNDJEHHEO

not attested not anchored not stored refs pending

Intersection-Link Representations of Graphs

Fabrizio Frati, Giordano Da Lozzo, Giuseppe Di Battista, Ignaz Rutter, Maurizio Patrignani, Patrizio Angelini

arxiv:1508.07557 v1 · 2015-08-30 · cs.DS · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5YAORKF2T2SZCFIWZNDJEHHEO}

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	2026-05-18T01:34:32.012108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b770074545d4f52c88a8b65a3490e7238ca68807a507c5cc5aad4f1699f0ff15

Aliases

arxiv: 1508.07557 · arxiv_version: 1508.07557v1 · doi: 10.48550/arxiv.1508.07557 · pith_short_12: W5YAORKF2T2S · pith_short_16: W5YAORKF2T2SZCFI · pith_short_8: W5YAORKF

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/W5YAORKF2T2SZCFIWZNDJEHHEO \
  | 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: b770074545d4f52c88a8b65a3490e7238ca68807a507c5cc5aad4f1699f0ff15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21cf80397e88b481f44b9a8c36af4829f5c4aeaecf06703be010e97e9764ee46",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-08-30T11:46:18Z",
    "title_canon_sha256": "8c78bc9bff2ce14e3cced2d9a470d051e1db41745d5b1d51a98b6f870506d2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07557",
    "kind": "arxiv",
    "version": 1
  }
}