Pith Number

pith:5IMYUDT2

pith:2014:5IMYUDT2MEDM2KQHITOXYWKBBQ

not attested not anchored not stored refs pending

Operations on the Secondary Hochschild Cohomology

Alin Stancu, Mihai D. Staic

arxiv:1404.2667 v1 · 2014-04-10 · 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{5IMYUDT2MEDM2KQHITOXYWKBBQ}

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	2026-05-18T02:54:29.862306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea198a0e7a6106cd2a0744dd7c59410c36618fd532faa2963ad55b3bfb93b2bb

Aliases

arxiv: 1404.2667 · arxiv_version: 1404.2667v1 · doi: 10.48550/arxiv.1404.2667 · pith_short_12: 5IMYUDT2MEDM · pith_short_16: 5IMYUDT2MEDM2KQH · pith_short_8: 5IMYUDT2

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/5IMYUDT2MEDM2KQHITOXYWKBBQ \
  | 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: ea198a0e7a6106cd2a0744dd7c59410c36618fd532faa2963ad55b3bfb93b2bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba00d9b87c2471fc3198622c37375ef82cd65b1a94cfa8ba52dd45da44122cc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-04-10T01:48:20Z",
    "title_canon_sha256": "2b938f74e2929ace42db6660f71bd3678ed761db278778442ad20de8c41650c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2667",
    "kind": "arxiv",
    "version": 1
  }
}