Pith Number

pith:NKXW7DAK

pith:2017:NKXW7DAK2F3HYVWSFOOMI4P7FE

not attested not anchored not stored refs pending

Unfamiliar Aspects of B\"acklund Transformations and an Associated Degasperis-Procesi Equation

Alexander Rasin, Jeremy Schiff

arxiv:1710.05539 v1 · 2017-10-16 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKXW7DAK2F3HYVWSFOOMI4P7FE}

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	2026-05-18T00:01:00.119147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aaf6f8c0ad1767c56d22b9cc471ff291f0403ca8e644128ced0bd7c71bd6de5

Aliases

arxiv: 1710.05539 · arxiv_version: 1710.05539v1 · doi: 10.48550/arxiv.1710.05539 · pith_short_12: NKXW7DAK2F3H · pith_short_16: NKXW7DAK2F3HYVWS · pith_short_8: NKXW7DAK

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/NKXW7DAK2F3HYVWSFOOMI4P7FE \
  | 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: 6aaf6f8c0ad1767c56d22b9cc471ff291f0403ca8e644128ced0bd7c71bd6de5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf84d6ad0d41cda5a7f777082ca0c9fe99d17886610e13e73834f2216906aa5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-10-16T07:09:07Z",
    "title_canon_sha256": "58d39a525c671b2ec3e527513e28365ad68e09466aa7e0f9b6bc043247d86e78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05539",
    "kind": "arxiv",
    "version": 1
  }
}