Pith Number

pith:SKLCQHIR

pith:2006:SKLCQHIREM5LWCTBB4ZBB53UIW

not attested not anchored not stored refs pending

When is negativity not a problem for the ultra-discrete limit?

Alex Kasman, Stephane Lafortune

arxiv:nlin/0609034 v1 · 2006-09-13 · nlin.SI · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKLCQHIREM5LWCTBB4ZBB53UIW}

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	2026-05-18T01:38:17.850909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9296281d11233abb0a610f3210f77445bef8633b372558d5a6f315286281e8d0

Aliases

arxiv: nlin/0609034 · arxiv_version: nlin/0609034v1 · doi: 10.48550/arxiv.nlin/0609034 · pith_short_12: SKLCQHIREM5L · pith_short_16: SKLCQHIREM5LWCTB · pith_short_8: SKLCQHIR

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/SKLCQHIREM5LWCTBB4ZBB53UIW \
  | 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: 9296281d11233abb0a610f3210f77445bef8633b372558d5a6f315286281e8d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6653d20b72e4ced3e8c9a8e585877e3d1ec70980b1b7d14b1186972f30bdc65",
    "cross_cats_sorted": [
      "nlin.CG"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2006-09-13T18:40:27Z",
    "title_canon_sha256": "724a7411ad3e71c9364c72d7dd41a0785f8d2093206d879eb0e04b71275a214f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0609034",
    "kind": "arxiv",
    "version": 1
  }
}