Pith Number

pith:JOQBX2ZT

pith:2012:JOQBX2ZTUDHHMV2GVACRQSHIYU

not attested not anchored not stored refs pending

Reciprocity Laws on Algebraic Surfaces via Iterated Integrals

Ivan Horozov, Matt Kerr

arxiv:1206.5817 v4 · 2012-06-25 · 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{JOQBX2ZTUDHHMV2GVACRQSHIYU}

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	2026-05-18T00:00:23.165643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ba01beb33a0ce765746a8051848e8c511205e67ad27765525b36efd85121d44

Aliases

arxiv: 1206.5817 · arxiv_version: 1206.5817v4 · doi: 10.48550/arxiv.1206.5817 · pith_short_12: JOQBX2ZTUDHH · pith_short_16: JOQBX2ZTUDHHMV2G · pith_short_8: JOQBX2ZT

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/JOQBX2ZTUDHHMV2GVACRQSHIYU \
  | 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: 4ba01beb33a0ce765746a8051848e8c511205e67ad27765525b36efd85121d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a378a8ee450157e49719c5176b7f332e3489883c3379f1d7372a79cbdc990f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-06-25T20:06:35Z",
    "title_canon_sha256": "9ceec28d3c9e80418f1f479be1a85047833e7b0bdff731ea0a018e58029d9bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5817",
    "kind": "arxiv",
    "version": 4
  }
}