Pith Number

pith:YOVQDYI3

pith:2010:YOVQDYI3HNSB3Y3SZS4KDYROJB

not attested not anchored not stored refs pending

Brauer group of moduli spaces of pairs

Indranil Biswas, Marina Logares, Vicente Mu\~noz

arxiv:1009.5204 v4 · 2010-09-27 · 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{YOVQDYI3HNSB3Y3SZS4KDYROJB}

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	2026-05-18T04:32:00.592756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ab01e11b3b641de372ccb8a1e22e4862d6b2812aca24a1dacea06a29461a50

Aliases

arxiv: 1009.5204 · arxiv_version: 1009.5204v4 · doi: 10.48550/arxiv.1009.5204 · pith_short_12: YOVQDYI3HNSB · pith_short_16: YOVQDYI3HNSB3Y3S · pith_short_8: YOVQDYI3

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/YOVQDYI3HNSB3Y3SZS4KDYROJB \
  | 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: c3ab01e11b3b641de372ccb8a1e22e4862d6b2812aca24a1dacea06a29461a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cc79f2c103c06950aef165cfe09e2f7eb9d0728336a71b6e9c5f749a44a1611",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-09-27T09:57:39Z",
    "title_canon_sha256": "bc2d63df79472c5c29b1d52f681690f5395f99af14cc374825bbabc50fd9157b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5204",
    "kind": "arxiv",
    "version": 4
  }
}