Pith Number

pith:W7OH2BCG

pith:2014:W7OH2BCGE2BUSE6XG26XO7FAEW

not attested not anchored not stored refs pending

Equivariant class group. II. Enriched descent theorem

Mitsuyasu Hashimoto

arxiv:1403.4724 v1 · 2014-03-19 · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7OH2BCGE2BUSE6XG26XO7FAEW}

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	2026-05-18T02:56:04.594399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7dc7d044626834913d736bd777ca025a72a416f3bfa60ae11d93f1752e3d855

Aliases

arxiv: 1403.4724 · arxiv_version: 1403.4724v1 · doi: 10.48550/arxiv.1403.4724 · pith_short_12: W7OH2BCGE2BU · pith_short_16: W7OH2BCGE2BUSE6X · pith_short_8: W7OH2BCG

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/W7OH2BCGE2BUSE6XG26XO7FAEW \
  | 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: b7dc7d044626834913d736bd777ca025a72a416f3bfa60ae11d93f1752e3d855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47474ec9b22de33e5f4ee4aa9355f245ee293ff9ae8f59b7efdafce7937aa5f8",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2014-03-19T07:51:22Z",
    "title_canon_sha256": "b7c41d975e510892721e13b4d90b69b779051308179e1e2bc7282517002701b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4724",
    "kind": "arxiv",
    "version": 1
  }
}