Pith Number

pith:HMSMCHBA

pith:2005:HMSMCHBA36HZ5LMVERDAVIDFRI

not attested not anchored not stored refs pending

On the regularity of products and intersections of complete intersections

Marc Chardin, Ngo Viet Trung, Nguyen Cong Minh

arxiv:math/0503157 v1 · 2005-03-08 · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMSMCHBA36HZ5LMVERDAVIDFRI}

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	2026-05-18T01:05:23.648377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b24c11c20df8f9ead9524460aa0658a24a9156496b0fa745685a0e3cc074b45

Aliases

arxiv: math/0503157 · arxiv_version: math/0503157v1 · doi: 10.48550/arxiv.math/0503157 · pith_short_12: HMSMCHBA36HZ · pith_short_16: HMSMCHBA36HZ5LMV · pith_short_8: HMSMCHBA

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/HMSMCHBA36HZ5LMVERDAVIDFRI \
  | 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: 3b24c11c20df8f9ead9524460aa0658a24a9156496b0fa745685a0e3cc074b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f399740c9e1ee5dc93667af87b2122fe40697157d84334cbfd02b096ad116bbc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AC",
    "submitted_at": "2005-03-08T18:31:38Z",
    "title_canon_sha256": "626fb57536a4c2f2d61ac848d3d6d612e04e334cf8445116d626da86598697a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0503157",
    "kind": "arxiv",
    "version": 1
  }
}