Pith Number

pith:PH4WALHM

pith:2013:PH4WALHME54WB4AOJULXIDO343

not attested not anchored not stored refs pending

Koszul algebras and their syzygies

Aldo Conca

arxiv:1310.2496 v2 · 2013-10-09 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PH4WALHME54WB4AOJULXIDO343}

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	2026-05-18T03:08:24.553407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f9602cec277960f00e4d17740ddbe6daaada968d4d12c400b167e232054eda

Aliases

arxiv: 1310.2496 · arxiv_version: 1310.2496v2 · doi: 10.48550/arxiv.1310.2496 · pith_short_12: PH4WALHME54W · pith_short_16: PH4WALHME54WB4AO · pith_short_8: PH4WALHM

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/PH4WALHME54WB4AOJULXIDO343 \
  | 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: 79f9602cec277960f00e4d17740ddbe6daaada968d4d12c400b167e232054eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efeea0be68b2e9872a54363245fdcabca78035c1c95c237236436045db14a9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-10-09T14:33:41Z",
    "title_canon_sha256": "b541ea6f4b236cca610ac3947ae177e4b63de4c105ff85d994826a1045b6781e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2496",
    "kind": "arxiv",
    "version": 2
  }
}