Pith Number

pith:5WQVYG5C

pith:2012:5WQVYG5C27O35TXVRKC35OT6JX

not attested not anchored not stored refs pending

Inverse Scattering Transform for the Degasperis-Procesi Equation

Adrian Constantin, Jonatan Lenells, Rossen I. Ivanov

arxiv:1205.4754 v1 · 2012-05-21 · 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{5WQVYG5C27O35TXVRKC35OT6JX}

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	2026-05-18T03:55:11.732933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eda15c1ba2d7ddbecef58a85beba7e4ddd9f6f55d9f02ecf43b3a186220c98b0

Aliases

arxiv: 1205.4754 · arxiv_version: 1205.4754v1 · doi: 10.48550/arxiv.1205.4754 · pith_short_12: 5WQVYG5C27O3 · pith_short_16: 5WQVYG5C27O35TXV · pith_short_8: 5WQVYG5C

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/5WQVYG5C27O35TXVRKC35OT6JX \
  | 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: eda15c1ba2d7ddbecef58a85beba7e4ddd9f6f55d9f02ecf43b3a186220c98b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "814e68e40c389763dc0e7ce487ba586488292e88dd8be6efb026b9224af165f6",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-05-21T21:19:18Z",
    "title_canon_sha256": "ea9ff02650691905d40619fb77bad82372d671cb7701786af673316ca75b1b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4754",
    "kind": "arxiv",
    "version": 1
  }
}