Pith Number

pith:X72DRUOC

pith:2009:X72DRUOCQWNCRIA6GF44VLJJTR

not attested not anchored not stored refs pending

Numerical scheme for a whole class of sweeping process

Juliette Venel (LAMAV)

arxiv:0904.2694 v2 · 2009-04-17 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X72DRUOCQWNCRIA6GF44VLJJTR}

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	2026-06-03T23:06:25.702992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff438d1c2859a28a01e3179caad299c71da6104f5790d86af96883b67ece624

Aliases

arxiv: 0904.2694 · arxiv_version: 0904.2694v2 · doi: 10.48550/arxiv.0904.2694 · pith_short_12: X72DRUOCQWNC · pith_short_16: X72DRUOCQWNCRIA6 · pith_short_8: X72DRUOC

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/X72DRUOCQWNCRIA6GF44VLJJTR \
  | 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: bff438d1c2859a28a01e3179caad299c71da6104f5790d86af96883b67ece624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "003a53377719bb871e81b8b93bc9b4e2f3bfa1ad2578b543a44f619ff5d94343",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-04-17T13:07:33Z",
    "title_canon_sha256": "9c3dd3deb57291282e0248c10446967653fbd8d5b263874ca374c49ff7c5e196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2694",
    "kind": "arxiv",
    "version": 2
  }
}