Pith Number

pith:N6HRYJLU

pith:2012:N6HRYJLUOVFN76LXYHUTI7EXP2

not attested not anchored not stored refs pending

Diptych varieties. I

Gavin Brown, Miles Reid

arxiv:1208.2446 v1 · 2012-08-12 · 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{N6HRYJLUOVFN76LXYHUTI7EXP2}

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	2026-05-18T02:57:53.333522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8f1c2574754adff977c1e9347c977ea65da95b48110a764fa392b0cda3db0b

Aliases

arxiv: 1208.2446 · arxiv_version: 1208.2446v1 · doi: 10.48550/arxiv.1208.2446 · pith_short_12: N6HRYJLUOVFN · pith_short_16: N6HRYJLUOVFN76LX · pith_short_8: N6HRYJLU

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/N6HRYJLUOVFN76LXYHUTI7EXP2 \
  | 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: 6f8f1c2574754adff977c1e9347c977ea65da95b48110a764fa392b0cda3db0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f70d4434ca14d91478025b67be7d64aeb3aa2f70f984a43ad67de0ac77de60cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-08-12T18:04:08Z",
    "title_canon_sha256": "d7bece139d4ee6f8a4e65b428c26defd9384703ead44e4794660f69ddb295d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2446",
    "kind": "arxiv",
    "version": 1
  }
}