Pith Number

pith:EO65QJK5

pith:2015:EO65QJK5Y3HG4HB42ZIRSFM3N3

not attested not anchored not stored refs pending

Hochschild cohomology of Jacobian algebras from unpunctured surfaces: A geometric computation

Yadira Valdivieso-Diaz

arxiv:1512.00738 v1 · 2015-12-02 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO65QJK5Y3HG4HB42ZIRSFM3N3}

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	2026-05-18T01:25:25.204199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23bdd8255dc6ce6e1c3cd65119159b6efc0b7b2b1b96a3d4e38cb354f60efa6f

Aliases

arxiv: 1512.00738 · arxiv_version: 1512.00738v1 · doi: 10.48550/arxiv.1512.00738 · pith_short_12: EO65QJK5Y3HG · pith_short_16: EO65QJK5Y3HG4HB4 · pith_short_8: EO65QJK5

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/EO65QJK5Y3HG4HB42ZIRSFM3N3 \
  | 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: 23bdd8255dc6ce6e1c3cd65119159b6efc0b7b2b1b96a3d4e38cb354f60efa6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4716c8f5e7ff5a2e0ff2b8c75bae69b7897d777b053207b96fe626912c79d34e",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-12-02T15:39:48Z",
    "title_canon_sha256": "69c370139e6da109e3bf2969e8c5d923e9d27598a5444b834a2fa413e47f7480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00738",
    "kind": "arxiv",
    "version": 1
  }
}