Pith Number

pith:UXVWOUJL

pith:1999:UXVWOUJLH64CEHQNTL7CHHEZBR

not attested not anchored not stored refs pending

Trigonal curves and Galois Spin(8)-bundles

S. Ramanan, W.M. Oxbury

arxiv:math/9907114 v1 · 1999-07-19 · 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{UXVWOUJLH64CEHQNTL7CHHEZBR}

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.

Cited by

1 paper in Pith

G\"opel Varieties

Receipt and verification

First computed	2026-07-04T14:41:14.545781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5eb67512b3fb8221e0d9afe239c990c7d9fd16b8f3b95999731543688f7f1f6

Aliases

arxiv: math/9907114 · arxiv_version: math/9907114v1 · doi: 10.48550/arxiv.math/9907114 · pith_short_12: UXVWOUJLH64C · pith_short_16: UXVWOUJLH64CEHQN · pith_short_8: UXVWOUJL

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/UXVWOUJLH64CEHQNTL7CHHEZBR \
  | 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: a5eb67512b3fb8221e0d9afe239c990c7d9fd16b8f3b95999731543688f7f1f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36bda9bc32f2169c6055609c6b96e26c3cf52e89c9e862b6e2456a182e46d00",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "1999-07-19T10:08:51Z",
    "title_canon_sha256": "e7e077909e5b0410ccc7da617b329172e4540c79a72919e2190ff84bd4855554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9907114",
    "kind": "arxiv",
    "version": 1
  }
}