Pith Number

pith:ED5R4QP5

pith:2002:ED5R4QP55ZZXV3WKSNW6ASGMSP

not attested not anchored not stored refs pending

Topological notions for Kauffman and Vogel's polynomial

Rui Pedro Carpentier

arxiv:math/0204207 v1 · 2002-04-16 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ED5R4QP55ZZXV3WKSNW6ASGMSP}

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	2026-07-04T14:36:02.649266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20fb1e41fdee737aeeca936de048cc93c3c4ec4747c7a702c6828fdd3757b5ca

Aliases

arxiv: math/0204207 · arxiv_version: math/0204207v1 · doi: 10.48550/arxiv.math/0204207 · pith_short_12: ED5R4QP55ZZX · pith_short_16: ED5R4QP55ZZXV3WK · pith_short_8: ED5R4QP5

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/ED5R4QP55ZZXV3WKSNW6ASGMSP \
  | 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: 20fb1e41fdee737aeeca936de048cc93c3c4ec4747c7a702c6828fdd3757b5ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30576ef9e66c981408e7c3a9151b238077d60f6e29d38655b18c936f1654350d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2002-04-16T16:02:04Z",
    "title_canon_sha256": "6566d89cd11051c4ff560fcc30d392e986e4e6d721435c451b65639e05337e01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0204207",
    "kind": "arxiv",
    "version": 1
  }
}