Pith Number

pith:M4DSZMPZ

pith:2006:M4DSZMPZXGTLDPIMOLTWV6A4EO

not attested not anchored not stored refs pending

Lazard's Elimination (in traces) is finite-state recognizable

G\'erard Duchamp (LIPN), Jean-Gabriel Luque (IGM-LabInfo)

arxiv:math/0607280 v1 · 2006-07-12 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4DSZMPZXGTLDPIMOLTWV6A4EO}

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	2026-05-18T01:08:50.089406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67072cb1f9b9a6b1bd0c72e76af81c238557fb1f95910dbe4b2d10fc7a4e2bcc

Aliases

arxiv: math/0607280 · arxiv_version: math/0607280v1 · doi: 10.48550/arxiv.math/0607280 · pith_short_12: M4DSZMPZXGTL · pith_short_16: M4DSZMPZXGTLDPIM · pith_short_8: M4DSZMPZ

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/M4DSZMPZXGTLDPIMOLTWV6A4EO \
  | 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: 67072cb1f9b9a6b1bd0c72e76af81c238557fb1f95910dbe4b2d10fc7a4e2bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd9108a8054fc5ad637ba5064e5ac9b6010a7591427072cfa04fddee78cc8367",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2006-07-12T09:09:07Z",
    "title_canon_sha256": "d273bb7a725793efada100687bfa15df6836e864aee4860c8c3c1a899d9ae728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607280",
    "kind": "arxiv",
    "version": 1
  }
}