Pith Number

pith:OMX4UD7J

pith:2006:OMX4UD7JDGOHU6OAB6VZD6WNIH

not attested not anchored not stored refs pending

Chow ring structure made simple

N. Semenov, S. Nikolenko

arxiv:math/0606335 v1 · 2006-06-14 · 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{OMX4UD7JDGOHU6OAB6VZD6WNIH}

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	2026-07-04T14:55:30.686344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

732fca0fe9199c7a79c00fab91facd41c4de05b1ed334093a2e17d443ad140ae

Aliases

arxiv: math/0606335 · arxiv_version: math/0606335v1 · doi: 10.48550/arxiv.math/0606335 · pith_short_12: OMX4UD7JDGOH · pith_short_16: OMX4UD7JDGOHU6OA · pith_short_8: OMX4UD7J

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/OMX4UD7JDGOHU6OAB6VZD6WNIH \
  | 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: 732fca0fe9199c7a79c00fab91facd41c4de05b1ed334093a2e17d443ad140ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b67645d07b658040329d1d0048f57c18976a87841a4584b8b6ddd912b2cccfd1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-06-14T10:49:12Z",
    "title_canon_sha256": "c1054e8a827053cd505dd1c57113166fca0da946a90a3c5be745128ea18b1f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0606335",
    "kind": "arxiv",
    "version": 1
  }
}