Pith Number

pith:CIRCYCSY

pith:2013:CIRCYCSYYQUSU6DQJISJNFRPF4

not attested not anchored not stored refs pending

A note on the stable equivalence problem

Pierre-Marie Poloni

arxiv:1308.2652 v1 · 2013-08-12 · 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{CIRCYCSYYQUSU6DQJISJNFRPF4}

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	2026-05-18T03:16:06.929020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12222c0a58c4292a78704a2496962f2f00b6da23382643e27cecf9336275b3ea

Aliases

arxiv: 1308.2652 · arxiv_version: 1308.2652v1 · doi: 10.48550/arxiv.1308.2652 · pith_short_12: CIRCYCSYYQUS · pith_short_16: CIRCYCSYYQUSU6DQ · pith_short_8: CIRCYCSY

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/CIRCYCSYYQUSU6DQJISJNFRPF4 \
  | 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: 12222c0a58c4292a78704a2496962f2f00b6da23382643e27cecf9336275b3ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aad62a7b9fa10f65391208b4018eb3815d50e37b318c333bab460a3d9ac5748",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-12T19:20:34Z",
    "title_canon_sha256": "b934c63eaad06f402ace908b0eab40f9b6a941aa65e4a8f48be6bc9990ec929f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2652",
    "kind": "arxiv",
    "version": 1
  }
}