Pith Number

pith:TGB74VA4

pith:1996:TGB74VA4JK7FQCE6OHNBIXGDSU

not attested not anchored not stored refs pending

Motives of uniruled 3-folds

Pedro Luis del Angel, Stefan M\"uller-Stach

arxiv:alg-geom/9607023 v1 · 1996-07-23 · alg-geom · 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{TGB74VA4JK7FQCE6OHNBIXGDSU}

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	2026-05-18T02:39:30.801423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9983fe541c4abe58089e71da145cc3952949c327314e9a4ca977abe6fa1dbf0e

Aliases

arxiv: alg-geom/9607023 · arxiv_version: alg-geom/9607023v1 · doi: 10.48550/arxiv.alg-geom/9607023 · pith_short_12: TGB74VA4JK7F · pith_short_16: TGB74VA4JK7FQCE6 · pith_short_8: TGB74VA4

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/TGB74VA4JK7FQCE6OHNBIXGDSU \
  | 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: 9983fe541c4abe58089e71da145cc3952949c327314e9a4ca977abe6fa1dbf0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c100cde8f93c59ecdba2618cc24132aa2db531c279c57c4abfd5d7d874e2a66",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1996-07-23T12:39:46Z",
    "title_canon_sha256": "b02b8f9e1e287800e95979fd8e9ba33441fb5495580120bea8c48a454813c454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9607023",
    "kind": "arxiv",
    "version": 1
  }
}