Pith Number

pith:E3MEV5ZQ

pith:2013:E3MEV5ZQWUVQNPOCB6Z7ADEI7A

not attested not anchored not stored refs pending

Some surfaces of general type for which Bloch's conjecture holds

Charles Weibel, Claudio Pedrini

arxiv:1304.7523 v1 · 2013-04-28 · 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{E3MEV5ZQWUVQNPOCB6Z7ADEI7A}

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	2026-05-18T03:26:53.779308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d84af730b52b06bdc20fb3f00c88f805edae9019d8ddbb696f07b4ac5bb8b1

Aliases

arxiv: 1304.7523 · arxiv_version: 1304.7523v1 · doi: 10.48550/arxiv.1304.7523 · pith_short_12: E3MEV5ZQWUVQ · pith_short_16: E3MEV5ZQWUVQNPOC · pith_short_8: E3MEV5ZQ

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/E3MEV5ZQWUVQNPOCB6Z7ADEI7A \
  | 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: 26d84af730b52b06bdc20fb3f00c88f805edae9019d8ddbb696f07b4ac5bb8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "994ce9ce68dccb15df4a13cb3c5919e3f6e447ac1670a4893e96e7487816ab29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-04-28T20:53:19Z",
    "title_canon_sha256": "22c7810667499c2a29a1d4cbd0eb099ecc38d774bc422d88d573cd675061408d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7523",
    "kind": "arxiv",
    "version": 1
  }
}