Pith Number

pith:NIJE5DIN

pith:1998:NIJE5DINQNDKXHILLRMXYITOYH

not attested not anchored not stored refs pending

Characteristic varieties of algebraic curves

A.Libgober

arxiv:math/9801070 v2 · 1998-01-13 · 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{NIJE5DINQNDKXHILLRMXYITOYH}

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	2026-07-04T14:40:25.257981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a124e8d0d8346ab9d0b5c597c226ec1fd66680a4dd4f1c768e3345e0c6ced33

Aliases

arxiv: math/9801070 · arxiv_version: math/9801070v2 · doi: 10.48550/arxiv.math/9801070 · pith_short_12: NIJE5DINQNDK · pith_short_16: NIJE5DINQNDKXHIL · pith_short_8: NIJE5DIN

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/NIJE5DINQNDKXHILLRMXYITOYH \
  | 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: 6a124e8d0d8346ab9d0b5c597c226ec1fd66680a4dd4f1c768e3345e0c6ced33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff205851bf01a6c46251e96b3042af3fe93fc6c59208b275cff143203fa1e38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "1998-01-13T22:37:31Z",
    "title_canon_sha256": "ade44c08032dafe7a270b4625210aac9827e2f1a6fd1c901fe27e55da8627d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9801070",
    "kind": "arxiv",
    "version": 2
  }
}