Pith Number

pith:IPFFXFQH

pith:2014:IPFFXFQHPSHBYVJYEVBETCX4LW

not attested not anchored not stored refs pending

Un isomorphisme de Suslin

Shane Kelly

arxiv:1407.5772 v1 · 2014-07-22 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPFFXFQHPSHBYVJYEVBETCX4LW}

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	2026-05-18T02:47:06.656970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ca5b96077c8e1c55382542498afc5d8e90c3263551a2b3bd5d863ebaa41962

Aliases

arxiv: 1407.5772 · arxiv_version: 1407.5772v1 · doi: 10.48550/arxiv.1407.5772 · pith_short_12: IPFFXFQHPSHB · pith_short_16: IPFFXFQHPSHBYVJY · pith_short_8: IPFFXFQH

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/IPFFXFQHPSHBYVJYEVBETCX4LW \
  | 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: 43ca5b96077c8e1c55382542498afc5d8e90c3263551a2b3bd5d863ebaa41962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45aa7d3c0e28e96e94a1ab423e5452c8479e46afd2009de485a389538a458181",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-22T07:57:50Z",
    "title_canon_sha256": "289e8f6c968e7a3fb39a55a0edc75196f391ff3f969a2db3dcd0e7354f559158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5772",
    "kind": "arxiv",
    "version": 1
  }
}