Pith Number

pith:55U7IJWK

pith:2015:55U7IJWK6JNIJ6ODEYOOOI2634

not attested not anchored not stored refs pending

An integrable semi-discrete Degasperis-Procesi equation

Bao-feng Feng, Ken-ichi Maruno, Yasuhiro Ohta

arxiv:1510.03010 v1 · 2015-10-11 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55U7IJWK6JNIJ6ODEYOOOI2634}

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	2026-05-18T01:30:32.994562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef69f426caf25a84f9c3261ce7235edf2b0361b58dab486d2502c0309fb44a20

Aliases

arxiv: 1510.03010 · arxiv_version: 1510.03010v1 · doi: 10.48550/arxiv.1510.03010 · pith_short_12: 55U7IJWK6JNI · pith_short_16: 55U7IJWK6JNIJ6OD · pith_short_8: 55U7IJWK

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/55U7IJWK6JNIJ6ODEYOOOI2634 \
  | 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: ef69f426caf25a84f9c3261ce7235edf2b0361b58dab486d2502c0309fb44a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48533ec2bcee0ada4cee94fbd798b278f1fc5c6bcd19a75eed499825f672b41a",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2015-10-11T05:11:19Z",
    "title_canon_sha256": "7e0d6ffd151336325b465a92457554cb16acb22f1f384f0e5d88b2b8aa974406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03010",
    "kind": "arxiv",
    "version": 1
  }
}