Pith Number

pith:PEYXSQ5B

pith:2020:PEYXSQ5B5QKIWQ7F72553AQBAF

not attested not anchored not stored refs pending

Local congruence of chain complexes

Alberto Paoluzzi, Elia Onofri, Gianmaria DelMonte, Giorgio Scorzelli

arxiv:2004.00046 v1 · 2020-03-31 · cs.CG · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEYXSQ5B5QKIWQ7F72553AQBAF}

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	2026-07-05T00:51:55.294834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79317943a1ec148b43e5febbdd82010147086772451d5c7acb087340ac272325

Aliases

arxiv: 2004.00046 · arxiv_version: 2004.00046v1 · doi: 10.48550/arxiv.2004.00046 · pith_short_12: PEYXSQ5B5QKI · pith_short_16: PEYXSQ5B5QKIWQ7F · pith_short_8: PEYXSQ5B

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/PEYXSQ5B5QKIWQ7F72553AQBAF \
  | 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: 79317943a1ec148b43e5febbdd82010147086772451d5c7acb087340ac272325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5acc511147456e51c67fcb3112eb6a26f1b8500f3aba4f2c2db7cf3bcb12cf",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2020-03-31T18:15:32Z",
    "title_canon_sha256": "d3f90f62680069c8bd99c942aa9cab30b3e67268ebc9bbfe7ccbc268d00b8b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00046",
    "kind": "arxiv",
    "version": 1
  }
}