Pith Number

pith:KOZYF2IU

pith:2014:KOZYF2IUNZSFIHY4VLEO4PXEBX

not attested not anchored not stored refs pending

A cohomological interpretation of derivations on graded algebras

Mathias Schulze, Xia Liao

arxiv:1407.5025 v3 · 2014-07-18 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOZYF2IUNZSFIHY4VLEO4PXEBX}

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	2026-05-18T00:02:50.247799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53b382e9146e64541f1caac8ee3ee40dd369e1511f0b7ded57b84f04db4aae14

Aliases

arxiv: 1407.5025 · arxiv_version: 1407.5025v3 · doi: 10.48550/arxiv.1407.5025 · pith_short_12: KOZYF2IUNZSF · pith_short_16: KOZYF2IUNZSFIHY4 · pith_short_8: KOZYF2IU

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/KOZYF2IUNZSFIHY4VLEO4PXEBX \
  | 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: 53b382e9146e64541f1caac8ee3ee40dd369e1511f0b7ded57b84f04db4aae14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7613726c1bf33b66c858e9905f596613298daa2ad11fc90a757d03a80bbc4ee4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-18T15:05:15Z",
    "title_canon_sha256": "f38406b7f2e801fa738788e68a9e51fe59d7a0dd24fa0386b505ac411868718b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5025",
    "kind": "arxiv",
    "version": 3
  }
}