Pith Number

pith:FGHGFZVP

pith:2014:FGHGFZVP2SATOB7R4D5XGZRN2F

not attested not anchored not stored refs pending

Michel Kervaire work on knots in higher dimensions

Claude Weber, Francoise Michel

arxiv:1409.0704 v1 · 2014-09-02 · 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{FGHGFZVP2SATOB7R4D5XGZRN2F}

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	2026-05-18T02:43:46.320797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298e62e6afd4813707f1e0fb73662dd1444d5b750ffb8eaf9d7792aa2f9e9114

Aliases

arxiv: 1409.0704 · arxiv_version: 1409.0704v1 · doi: 10.48550/arxiv.1409.0704 · pith_short_12: FGHGFZVP2SAT · pith_short_16: FGHGFZVP2SATOB7R · pith_short_8: FGHGFZVP

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/FGHGFZVP2SATOB7R4D5XGZRN2F \
  | 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: 298e62e6afd4813707f1e0fb73662dd1444d5b750ffb8eaf9d7792aa2f9e9114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba436ab4fc350d531ff9025802a1662b3bb4f0f9501ea4d8037872dca14c7da2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-09-02T13:45:52Z",
    "title_canon_sha256": "cb6f3a0f508765c0766029719010410ce04eca4d3ed867d7ccd45494bc188e80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0704",
    "kind": "arxiv",
    "version": 1
  }
}