Pith Number

pith:YRIJ6Y7M

pith:2009:YRIJ6Y7M36QNBN5R3CYXRE4MO3

not attested not anchored not stored refs pending

Symmetric Homology of Algebras

Shaun V. Ault

arxiv:0902.1274 v3 · 2009-02-07 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRIJ6Y7M36QNBN5R3CYXRE4MO3}

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	2026-05-17T23:48:12.307157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4509f63ecdfa0d0b7b1d8b178938c76e928c4737a2380c3c1423f8b198a46a7

Aliases

arxiv: 0902.1274 · arxiv_version: 0902.1274v3 · doi: 10.48550/arxiv.0902.1274 · pith_short_12: YRIJ6Y7M36QN · pith_short_16: YRIJ6Y7M36QNBN5R · pith_short_8: YRIJ6Y7M

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/YRIJ6Y7M36QNBN5R3CYXRE4MO3 \
  | 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: c4509f63ecdfa0d0b7b1d8b178938c76e928c4737a2380c3c1423f8b198a46a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2212256a75ea39dae6b5e76afca38e396e6f009c74ba9c12dfcdfc52ba127f2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-02-07T21:53:04Z",
    "title_canon_sha256": "14d01909c421f494d23fa22b408b334315e599b7e9f96c23c0ded7660482db15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1274",
    "kind": "arxiv",
    "version": 3
  }
}