Pith Number

pith:6N42JZT6

pith:2013:6N42JZT6SO3T756COEUOGYAYQ2

not attested not anchored not stored refs pending

The classification of ACM line bundles on quartic hypersurfaces on P^3

Kenta Watanabe

arxiv:1309.1821 v1 · 2013-09-07 · 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{6N42JZT6SO3T756COEUOGYAYQ2}

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	2026-05-18T03:13:57.404338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f379a4e67e93b73ff7c27128e36018869add5311842ad209e1e22afb23b89317

Aliases

arxiv: 1309.1821 · arxiv_version: 1309.1821v1 · doi: 10.48550/arxiv.1309.1821 · pith_short_12: 6N42JZT6SO3T · pith_short_16: 6N42JZT6SO3T756C · pith_short_8: 6N42JZT6

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/6N42JZT6SO3T756COEUOGYAYQ2 \
  | 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: f379a4e67e93b73ff7c27128e36018869add5311842ad209e1e22afb23b89317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834f923def7dd7871d048fa28dae51dc51833c4fbe3af58e0336b832e5dbde16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-07T05:08:49Z",
    "title_canon_sha256": "a1bd644427741d2f5ebcffc17e2dfcebdf2c7823defd0ae0ecbf664bd86a2b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1821",
    "kind": "arxiv",
    "version": 1
  }
}