Pith Number

pith:BXJ37K62

pith:2013:BXJ37K62HWJOKEVTFNBZLRO33J

not attested not anchored not stored refs pending

Characteristic cohomology of the infinitesimal period relation

C. Robles

arxiv:1310.8154 v3 · 2013-10-30 · math.DG · 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{BXJ37K62HWJOKEVTFNBZLRO33J}

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	2026-05-18T02:47:24.312635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dd3bfabda3d92e512b32b4395c5dbda4bf20fa41b4f7bb4fa7a3115fff57224

Aliases

arxiv: 1310.8154 · arxiv_version: 1310.8154v3 · doi: 10.48550/arxiv.1310.8154 · pith_short_12: BXJ37K62HWJO · pith_short_16: BXJ37K62HWJOKEVT · pith_short_8: BXJ37K62

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/BXJ37K62HWJOKEVTFNBZLRO33J \
  | 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: 0dd3bfabda3d92e512b32b4395c5dbda4bf20fa41b4f7bb4fa7a3115fff57224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e74b259b4a441e1809074eefd9e26a8840a070775aa9b489731983bcfda33b2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-10-30T13:57:57Z",
    "title_canon_sha256": "7087a280318c3496e32b031bb6ef0eb46b39b0e910e4a13dc480b2053520c644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8154",
    "kind": "arxiv",
    "version": 3
  }
}