Pith Number

pith:2OTOMF73

pith:2016:2OTOMF73QKPMXGSJLIBBP225TY

not attested not anchored not stored refs pending

The derived Picard group of an affine Azumaya algebra

Cris Negron

arxiv:1601.05196 v3 · 2016-01-20 · math.RA · math.AG · math.KT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OTOMF73QKPMXGSJLIBBP225TY}

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	2026-05-18T00:53:40.432987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a6e617fb829ecb9a495a0217eb5d9e09bad824f1807c1f842b377c11107a78

Aliases

arxiv: 1601.05196 · arxiv_version: 1601.05196v3 · doi: 10.48550/arxiv.1601.05196 · pith_short_12: 2OTOMF73QKPM · pith_short_16: 2OTOMF73QKPMXGSJ · pith_short_8: 2OTOMF73

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/2OTOMF73QKPMXGSJLIBBP225TY \
  | 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: d3a6e617fb829ecb9a495a0217eb5d9e09bad824f1807c1f842b377c11107a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeb3a64f8c3a316692f4c53ac47ff052e70a392ad0ac2462e2e5888f9ee01812",
    "cross_cats_sorted": [
      "math.AG",
      "math.KT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-01-20T08:38:04Z",
    "title_canon_sha256": "2933df3cd6c8706c1689b813872140ddf485edffa035a306dec58024ef519177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05196",
    "kind": "arxiv",
    "version": 3
  }
}