Pith Number

pith:7NB2JL3P

pith:2014:7NB2JL3PBRTUNHIH3OWJOZXGY7

not attested not anchored not stored refs pending

On the first Hochschild cohomology of admissible algebras

Dezhan Tan, Fang Li

arxiv:1407.0488 v1 · 2014-07-02 · 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{7NB2JL3PBRTUNHIH3OWJOZXGY7}

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	2026-05-18T02:48:26.788294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb43a4af6f0c67469d07dbac9766e6c7e8b2cd3ef5b7090a946bd1320e243331

Aliases

arxiv: 1407.0488 · arxiv_version: 1407.0488v1 · doi: 10.48550/arxiv.1407.0488 · pith_short_12: 7NB2JL3PBRTU · pith_short_16: 7NB2JL3PBRTUNHIH · pith_short_8: 7NB2JL3P

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/7NB2JL3PBRTUNHIH3OWJOZXGY7 \
  | 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: fb43a4af6f0c67469d07dbac9766e6c7e8b2cd3ef5b7090a946bd1320e243331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467ee39e9099a5e036410eb28a1b60d72d6ec9756cd14c3e20ff1151f5b02597",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-07-02T09:04:22Z",
    "title_canon_sha256": "61ab087af95a4c852e0720bd5a60b9705df071f07ea2a03b5990508dca73b37a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0488",
    "kind": "arxiv",
    "version": 1
  }
}