Pith Number

pith:AD3FOLKM

pith:2012:AD3FOLKMOJFHPKG3Q6TMNYAI4R

not attested not anchored not stored refs pending

Etale twists in noncommutative algebraic geometry and the twisted Brauer space

Benjamin Antieau

arxiv:1211.6161 v3 · 2012-11-26 · math.AG · math.AT · 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{AD3FOLKMOJFHPKG3Q6TMNYAI4R}

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	2026-05-18T03:27:52.207367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f6572d4c724a77a8db87a6c6e008e474945a7ee8d0b13f49d0490c320166f4

Aliases

arxiv: 1211.6161 · arxiv_version: 1211.6161v3 · doi: 10.48550/arxiv.1211.6161 · pith_short_12: AD3FOLKMOJFH · pith_short_16: AD3FOLKMOJFHPKG3 · pith_short_8: AD3FOLKM

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/AD3FOLKMOJFHPKG3Q6TMNYAI4R \
  | 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: 00f6572d4c724a77a8db87a6c6e008e474945a7ee8d0b13f49d0490c320166f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302dcba242c4402484ce9e6b754c3d822aa0cfee7726662694d56e59d2344f07",
    "cross_cats_sorted": [
      "math.AT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-11-26T23:35:06Z",
    "title_canon_sha256": "a623147b605d622e36f9a427afbc0f15d15ebdc9db2e2d89c0a546ed44f674a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6161",
    "kind": "arxiv",
    "version": 3
  }
}