Pith Number

pith:EUE4IEOW

pith:2010:EUE4IEOWVYW5A3Y4QO5E3DPGFL

not attested not anchored not stored refs pending

On Darboux Integrable Semi-Discrete Chains

Alfia Sakieva, Ismagil Habibullin, Natalya Zheltukhina

arxiv:1002.0988 v2 · 2010-02-04 · 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{EUE4IEOWVYW5A3Y4QO5E3DPGFL}

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	2026-05-18T04:29:53.882121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2509c411d6ae2dd06f1c83ba4d8de62adf87325ce330268f05a8d5f4c58a835a

Aliases

arxiv: 1002.0988 · arxiv_version: 1002.0988v2 · doi: 10.48550/arxiv.1002.0988 · pith_short_12: EUE4IEOWVYW5 · pith_short_16: EUE4IEOWVYW5A3Y4 · pith_short_8: EUE4IEOW

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/EUE4IEOWVYW5A3Y4QO5E3DPGFL \
  | 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: 2509c411d6ae2dd06f1c83ba4d8de62adf87325ce330268f05a8d5f4c58a835a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea497813863fcdb2365bd4d658485d4fbbd8caf87701dd1e2c7580514583a44c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-02-04T12:56:07Z",
    "title_canon_sha256": "1d64604cb251ff4106bd7a03e0ae6bb64d4de1257a50995dce70409b64ff2193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0988",
    "kind": "arxiv",
    "version": 2
  }
}