Pith Number

pith:ZTV7O3HZ

pith:2007:ZTV7O3HZ7MR5GTMLALIGTX3GWC

not attested not anchored not stored refs pending

The space of generically \'etale families

David Rydh, Roy Skjelnes

arxiv:math/0703329 v2 · 2007-03-12 · 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{ZTV7O3HZ7MR5GTMLALIGTX3GWC}

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	2026-05-18T03:56:10.964220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccebf76cf9fb23d34d8b02d069df66b0a1a8e777037e960cfc715ab5587d040d

Aliases

arxiv: math/0703329 · arxiv_version: math/0703329v2 · doi: 10.48550/arxiv.math/0703329 · pith_short_12: ZTV7O3HZ7MR5 · pith_short_16: ZTV7O3HZ7MR5GTML · pith_short_8: ZTV7O3HZ

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/ZTV7O3HZ7MR5GTMLALIGTX3GWC \
  | 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: ccebf76cf9fb23d34d8b02d069df66b0a1a8e777037e960cfc715ab5587d040d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5a1bc96f63fdc87d2d49e36d8986ef5eef46418ddb141a26eddf77769da787",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2007-03-12T10:10:02Z",
    "title_canon_sha256": "cfd6cac2b781d20814ff368b92e7231f0d7579eac7af5ad3b56d2738e92721ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0703329",
    "kind": "arxiv",
    "version": 2
  }
}