Pith Number

pith:P62D3JQ6

pith:2009:P62D3JQ6AIFHGLM42PGQNTWP3T

not attested not anchored not stored refs pending

Characterization of Finite Type String Link Invariants of Degree < 5

Akira Yasuhara, Jean-Baptiste Meilhan

arxiv:0904.1527 v1 · 2009-04-09 · 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{P62D3JQ6AIFHGLM42PGQNTWP3T}

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	2026-05-18T02:14:06.704288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb43da61e020a732d9cd3cd06cecfdcdf02a8d80f62ad8450808929f3023e26

Aliases

arxiv: 0904.1527 · arxiv_version: 0904.1527v1 · doi: 10.48550/arxiv.0904.1527 · pith_short_12: P62D3JQ6AIFH · pith_short_16: P62D3JQ6AIFHGLM4 · pith_short_8: P62D3JQ6

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/P62D3JQ6AIFHGLM42PGQNTWP3T \
  | 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: 7fb43da61e020a732d9cd3cd06cecfdcdf02a8d80f62ad8450808929f3023e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68514353369f679cff8810115e46f8336a27e28ba92b31f6f80e2fe907705b2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2009-04-09T13:24:15Z",
    "title_canon_sha256": "2ab62f1ae892b2226a17d3178e054ea218b6c89d4eeaafd22d3d58b31f07dc7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1527",
    "kind": "arxiv",
    "version": 1
  }
}