Pith Number

pith:WTJAODZ5

pith:1996:WTJAODZ55X4QBE7CWWVFCG6XYF

not attested not anchored not stored refs pending

Chapters on algebraic surfaces

Miles Reid

arxiv:alg-geom/9602006 v1 · 1996-02-06 · 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{WTJAODZ55X4QBE7CWWVFCG6XYF}

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	2026-05-18T01:37:42.833840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d2070f3dedf90093e2b5aa511bd7c17e4fe527cd1824094d6c42a0111242a2

Aliases

arxiv: alg-geom/9602006 · arxiv_version: alg-geom/9602006v1 · doi: 10.48550/arxiv.alg-geom/9602006 · pith_short_12: WTJAODZ55X4Q · pith_short_16: WTJAODZ55X4QBE7C · pith_short_8: WTJAODZ5

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/WTJAODZ55X4QBE7CWWVFCG6XYF \
  | 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: b4d2070f3dedf90093e2b5aa511bd7c17e4fe527cd1824094d6c42a0111242a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d7269c66f672e4b7861abc0a6eff233ba8c8f3bd5861b0787c76dcef4791fc5",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1996-02-06T12:59:10Z",
    "title_canon_sha256": "c6591f67374654c17517d4db077ab1f035c05ed233afbf3102737ae70cd21f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9602006",
    "kind": "arxiv",
    "version": 1
  }
}