Pith Number

pith:BJJ72DBE

pith:2011:BJJ72DBEO3ZWF6VRGXDH34WUVB

not attested not anchored not stored refs pending

Nonabelian Jacobian of smooth projective surfaces and representation theory

Igor Reider

arxiv:1103.4794 v1 · 2011-03-24 · 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{BJJ72DBEO3ZWF6VRGXDH34WUVB}

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	2026-05-18T00:56:57.978926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a53fd0c2476f362fab135c67df2d4a84c3a52ec2daddd3f4906d364329fec4f

Aliases

arxiv: 1103.4794 · arxiv_version: 1103.4794v1 · doi: 10.48550/arxiv.1103.4794 · pith_short_12: BJJ72DBEO3ZW · pith_short_16: BJJ72DBEO3ZWF6VR · pith_short_8: BJJ72DBE

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/BJJ72DBEO3ZWF6VRGXDH34WUVB \
  | 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: 0a53fd0c2476f362fab135c67df2d4a84c3a52ec2daddd3f4906d364329fec4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e89c75151fd3cf31fc24689cfbf581aea91830d5a7933bab068cc1a6256f64f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-24T15:56:28Z",
    "title_canon_sha256": "3a637a70a47e818203c42089f4ebdfe2d23c5f9fbfeb5d96b66f0bb9833358fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4794",
    "kind": "arxiv",
    "version": 1
  }
}