Pith Number

pith:OTRRJAIS

pith:2018:OTRRJAISNN2VEDQNON727UABBL

not attested not anchored not stored refs pending

The Brauer group of the universal moduli space of vector bundles over smooth curves

Roberto Fringuelli, Roberto Pirisi

arxiv:1805.05369 v3 · 2018-05-14 · 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{OTRRJAISNN2VEDQNON727UABBL}

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	2026-05-18T00:05:04.959165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e31481126b75520e0d737fafd0010ad99bf98d6e616aacb5ac4c4ec0a2ff4d

Aliases

arxiv: 1805.05369 · arxiv_version: 1805.05369v3 · doi: 10.48550/arxiv.1805.05369 · pith_short_12: OTRRJAISNN2V · pith_short_16: OTRRJAISNN2VEDQN · pith_short_8: OTRRJAIS

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/OTRRJAISNN2VEDQNON727UABBL \
  | 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: 74e31481126b75520e0d737fafd0010ad99bf98d6e616aacb5ac4c4ec0a2ff4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "988dce1e0f1ea4f4edb998c8ee8a1df0495598ff4c3d81052e976667b86a4c31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-14T18:12:23Z",
    "title_canon_sha256": "3d5b160a0d116a00daadf7bb6d310debd8d188eea6e270a4b83135ca087565fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05369",
    "kind": "arxiv",
    "version": 3
  }
}