Pith Number

pith:V7LTWJYN

pith:2004:V7LTWJYNT7IUQOKGL7Z3EGAHX7

not attested not anchored not stored refs pending

Smith Theory for algebraic varieties

Peter Symonds

arxiv:math/0407077 v1 · 2004-07-06 · math.AT · 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{V7LTWJYNT7IUQOKGL7Z3EGAHX7}

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	2026-05-18T02:41:32.387219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd73b270d9fd14839465ff3b21807bff5b18a4df67131433e8f4aae9c97d358

Aliases

arxiv: math/0407077 · arxiv_version: math/0407077v1 · doi: 10.48550/arxiv.math/0407077 · pith_short_12: V7LTWJYNT7IU · pith_short_16: V7LTWJYNT7IUQOKG · pith_short_8: V7LTWJYN

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/V7LTWJYNT7IUQOKGL7Z3EGAHX7 \
  | 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: afd73b270d9fd14839465ff3b21807bff5b18a4df67131433e8f4aae9c97d358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a15394743d0c5d1acf2d9212c27645cf660dab20657199e263d8dfaf295f1843",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2004-07-06T11:40:27Z",
    "title_canon_sha256": "b180590614e336e75620a6edff2d4bcad7e309851cd6839b179ea2a039982671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0407077",
    "kind": "arxiv",
    "version": 1
  }
}