Pith Number

pith:O7QYBEUQ

pith:2015:O7QYBEUQSO3ZJSSQL3CPHQ63CC

not attested not anchored not stored refs pending

On finitely presented algebras

Adel Alahmadi, Hamed Alsulami

arxiv:1507.07431 v1 · 2015-07-27 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7QYBEUQSO3ZJSSQL3CPHQ63CC}

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	2026-05-18T01:36:16.417950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e180929093b794ca505ec4f3c3db10b76de582cf0fd724c3ccff27686de8ea

Aliases

arxiv: 1507.07431 · arxiv_version: 1507.07431v1 · doi: 10.48550/arxiv.1507.07431 · pith_short_12: O7QYBEUQSO3Z · pith_short_16: O7QYBEUQSO3ZJSSQ · pith_short_8: O7QYBEUQ

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/O7QYBEUQSO3ZJSSQL3CPHQ63CC \
  | 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: 77e180929093b794ca505ec4f3c3db10b76de582cf0fd724c3ccff27686de8ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8e062bc1a7c5b34bf692d05455b9df8ed5b6aca6eda04283ce0ea1899cb5ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-07-27T14:57:47Z",
    "title_canon_sha256": "b38e683a71eef2e5cb51bf4aa3d417e754cac7f88e39e916b6674b7404751693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07431",
    "kind": "arxiv",
    "version": 1
  }
}