Pith Number

pith:OW47U7QV

pith:2014:OW47U7QVPLHUNPCY5OMJDIU62E

not attested not anchored not stored refs pending

Morita cohomology and homotopy locally constant sheaves

Julian V. S. Holstein

arxiv:1404.1326 v1 · 2014-03-18 · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OW47U7QVPLHUNPCY5OMJDIU62E}

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	2026-05-17T23:40:14.662451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75b9fa7e157acf46bc58eb9891a29ed111155ee21354b5eb96ea3ee80345d31f

Aliases

arxiv: 1404.1326 · arxiv_version: 1404.1326v1 · doi: 10.48550/arxiv.1404.1326 · pith_short_12: OW47U7QVPLHU · pith_short_16: OW47U7QVPLHUNPCY · pith_short_8: OW47U7QV

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/OW47U7QVPLHUNPCY5OMJDIU62E \
  | 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: 75b9fa7e157acf46bc58eb9891a29ed111155ee21354b5eb96ea3ee80345d31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806832b3c57821afe7c2713011d3c47db58569a141ff155e36a2ee38830a48e1",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-03-18T09:09:42Z",
    "title_canon_sha256": "8fbcf4737dc0af51d64413b03d945f851033530fe4498a968aa2883d408927d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1326",
    "kind": "arxiv",
    "version": 1
  }
}