Pith Number

pith:WJDHAD5G

pith:2010:WJDHAD5GDSP7DQVVCPARU6UYFT

not attested not anchored not stored refs pending

Quandle homology and complex volume

Ayumu Inoue, Yuichi Kabaya

arxiv:1012.2923 v3 · 2010-12-14 · 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{WJDHAD5GDSP7DQVVCPARU6UYFT}

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	2026-05-18T02:23:07.301072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b246700fa61c9ff1c2b513c11a7a982cffb9152afec9f83f604e35f2c288c873

Aliases

arxiv: 1012.2923 · arxiv_version: 1012.2923v3 · doi: 10.48550/arxiv.1012.2923 · pith_short_12: WJDHAD5GDSP7 · pith_short_16: WJDHAD5GDSP7DQVV · pith_short_8: WJDHAD5G

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/WJDHAD5GDSP7DQVVCPARU6UYFT \
  | 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: b246700fa61c9ff1c2b513c11a7a982cffb9152afec9f83f604e35f2c288c873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb0c0cbe79e37f65e465d9752762da87ffaef96276cc97f1fd8875070c83cc20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-12-14T03:38:30Z",
    "title_canon_sha256": "1f792b75feb263021ea89582f635c898e913728598ab9edf9d8eb1098619a31f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2923",
    "kind": "arxiv",
    "version": 3
  }
}