Pith Number

pith:ZMXHKA2O

pith:2016:ZMXHKA2O5AULHOVC4JDRWTKGRJ

not attested not anchored not stored refs pending

Quandle Identities and Homology

Masahico Saito, W. Edwin Clark

arxiv:1602.08535 v1 · 2016-02-27 · 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{ZMXHKA2O5AULHOVC4JDRWTKGRJ}

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	2026-05-18T01:19:52.552798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb2e75034ee828b3baa2e2471b4d468a756ffccb254f44a72318335c0b0c24d5

Aliases

arxiv: 1602.08535 · arxiv_version: 1602.08535v1 · doi: 10.48550/arxiv.1602.08535 · pith_short_12: ZMXHKA2O5AUL · pith_short_16: ZMXHKA2O5AULHOVC · pith_short_8: ZMXHKA2O

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/ZMXHKA2O5AULHOVC4JDRWTKGRJ \
  | 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: cb2e75034ee828b3baa2e2471b4d468a756ffccb254f44a72318335c0b0c24d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e8c77a8ebbc5854781cbe864e04abc77d6b5cb1ec2e8f4fb4872270980365e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-02-27T00:21:58Z",
    "title_canon_sha256": "569e4b18d3972c1a6fcb2002e9196891e91a2de9c771b683569a498ecd7a9d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08535",
    "kind": "arxiv",
    "version": 1
  }
}