Pith Number

pith:W2HXRBJZ

pith:2012:W2HXRBJZVVDNOYQ4BSMZCRGRTO

not attested not anchored not stored refs pending

Generalized 1-motivic sheaves

Alessandra Bertapelle

arxiv:1205.6100 v1 · 2012-05-28 · 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{W2HXRBJZVVDNOYQ4BSMZCRGRTO}

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	2026-05-18T03:54:48.314926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68f788539ad46d7621c0c999144d19ba0f9270ff85ca3cba0e60832ce2b8087

Aliases

arxiv: 1205.6100 · arxiv_version: 1205.6100v1 · doi: 10.48550/arxiv.1205.6100 · pith_short_12: W2HXRBJZVVDN · pith_short_16: W2HXRBJZVVDNOYQ4 · pith_short_8: W2HXRBJZ

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/W2HXRBJZVVDNOYQ4BSMZCRGRTO \
  | 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: b68f788539ad46d7621c0c999144d19ba0f9270ff85ca3cba0e60832ce2b8087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ded76e6f11cfd737203ed60cbb6bc090aa40a723e310e710a26bec81e5e7daa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-28T12:46:02Z",
    "title_canon_sha256": "539ad49ff08243cd772199c21f2f8c087d975fb192727ed7fee613b66a787c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6100",
    "kind": "arxiv",
    "version": 1
  }
}