Pith Number

pith:DHGT7Y6V

pith:2013:DHGT7Y6V5TH4INS4T4KUBIF2LO

not attested not anchored not stored refs pending

Additive invariants of finite dimensional algebras of finite global dimension

Goncalo Tabuada, Marcello Bernardara

arxiv:1304.6345 v2 · 2013-04-23 · math.KT · math.AG · math.AT · 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{DHGT7Y6V5TH4INS4T4KUBIF2LO}

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	2026-05-18T03:26:31.743584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19cd3fe3d5eccfc4365c9f1540a0ba5b812c817a4b37940518d450f3deebe78c

Aliases

arxiv: 1304.6345 · arxiv_version: 1304.6345v2 · doi: 10.48550/arxiv.1304.6345 · pith_short_12: DHGT7Y6V5TH4 · pith_short_16: DHGT7Y6V5TH4INS4 · pith_short_8: DHGT7Y6V

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/DHGT7Y6V5TH4INS4T4KUBIF2LO \
  | 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: 19cd3fe3d5eccfc4365c9f1540a0ba5b812c817a4b37940518d450f3deebe78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a39d74019ec8092bda16d7f1742012d4fc4ef778c25db3ab3b6d9e65043380",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2013-04-23T16:47:13Z",
    "title_canon_sha256": "9f294c9b3a67f198a3a8c2bd35437f23eb380479a6c3de59b466870e5f161414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6345",
    "kind": "arxiv",
    "version": 2
  }
}