Pith Number

pith:P5U25WLM

pith:2009:P5U25WLMRH2BIEMQ2E5FTUCHRH

not attested not anchored not stored refs pending

Complete list of Darboux Integrable Chains of the form $t_{1x}=t_x+d(t,t_1)$

Asli Pekcan, Ismagil Habibullin, Natalya Zheltukhina

arxiv:0907.3785 v1 · 2009-07-22 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5U25WLMRH2BIEMQ2E5FTUCHRH}

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	2026-05-18T02:12:54.796184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f69aed96c89f4141190d13a59d04789c7aa91a794f40d9c0dc6b5a3629d5abf

Aliases

arxiv: 0907.3785 · arxiv_version: 0907.3785v1 · doi: 10.48550/arxiv.0907.3785 · pith_short_12: P5U25WLMRH2B · pith_short_16: P5U25WLMRH2BIEMQ · pith_short_8: P5U25WLM

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/P5U25WLMRH2BIEMQ2E5FTUCHRH \
  | 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: 7f69aed96c89f4141190d13a59d04789c7aa91a794f40d9c0dc6b5a3629d5abf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f39b7934606d9d632ba132e6c069f51795795934fc1a47ae37f340c9cec03aea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-07-22T07:00:34Z",
    "title_canon_sha256": "ce905cd10b905361903a731bd59c8d73bc14c84a4a749bcd58f7b7eebe3000a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3785",
    "kind": "arxiv",
    "version": 1
  }
}