Pith Number

pith:AFQQBUJE

pith:2017:AFQQBUJECFAH744X2DEDLVTVUS

not attested not anchored not stored refs pending

Homological algebra in characteristic one

Alain Connes, Caterina Consani

arxiv:1703.02325 v1 · 2017-03-07 · math.AG · math.AT · math.CT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFQQBUJECFAH744X2DEDLVTVUS}

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	2026-05-18T00:48:53.206042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

016100d12411407ff397d0c835d675a49f74cdfdebc0d91615c5672345d4b77e

Aliases

arxiv: 1703.02325 · arxiv_version: 1703.02325v1 · doi: 10.48550/arxiv.1703.02325 · pith_short_12: AFQQBUJECFAH · pith_short_16: AFQQBUJECFAH744X · pith_short_8: AFQQBUJE

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/AFQQBUJECFAH744X2DEDLVTVUS \
  | 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: 016100d12411407ff397d0c835d675a49f74cdfdebc0d91615c5672345d4b77e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d13e3c238659b6bb8913cd78a5c298b73ed8175afdfe158218b0d37d8ca7b6",
    "cross_cats_sorted": [
      "math.AT",
      "math.CT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-07T10:58:13Z",
    "title_canon_sha256": "1000bb14807f5c67277a6281b3c4ba04e722e940d930d72ae092d90b2c44dc1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02325",
    "kind": "arxiv",
    "version": 1
  }
}