Pith Number

pith:WFHS4CIX

pith:2005:WFHS4CIXZ4TKUBRGEI2NAWFSFW

not attested not anchored not stored refs pending

Collaborative tagging as a tripartite network

M. Ausloos, R. Lambiotte

arxiv:cs/0512090 v2 · 2005-12-23 · cs.DS · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFHS4CIXZ4TKUBRGEI2NAWFSFW}

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	2026-05-18T01:06:48.961707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b14f2e0917cf26aa06262234d058b22d97f3b224ed18917082f2aff2399d1db2

Aliases

arxiv: cs/0512090 · arxiv_version: cs/0512090v2 · doi: 10.48550/arxiv.cs/0512090 · pith_short_12: WFHS4CIXZ4TK · pith_short_16: WFHS4CIXZ4TKUBRG · pith_short_8: WFHS4CIX

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/WFHS4CIXZ4TKUBRGEI2NAWFSFW \
  | 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: b14f2e0917cf26aa06262234d058b22d97f3b224ed18917082f2aff2399d1db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27edef4cb6fef3bafd97f3128997207cffb62c01f05544da9ec41c8965db129d",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2005-12-23T13:38:57Z",
    "title_canon_sha256": "bcb020847e0af06c7d4d1e45a27cb20a83a0d3f0ef38bd1ffb0a84655cae15b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0512090",
    "kind": "arxiv",
    "version": 2
  }
}