Pith Number

pith:PCKDIXSG

pith:2015:PCKDIXSGK44GSVDMHAHVECYDPD

not attested not anchored not stored refs pending

On a hierarchy of nonlinearly dispersive generalized KdV equations

Ivan C. Christov

arxiv:1501.01044 v2 · 2015-01-06 · math-ph · math.MP · 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{PCKDIXSGK44GSVDMHAHVECYDPD}

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	2026-05-18T01:09:42.308966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7894345e46573869546c380f520b0378c56bed4e5c971ae0f3b83b94a015ba0e

Aliases

arxiv: 1501.01044 · arxiv_version: 1501.01044v2 · doi: 10.48550/arxiv.1501.01044 · pith_short_12: PCKDIXSGK44G · pith_short_16: PCKDIXSGK44GSVDM · pith_short_8: PCKDIXSG

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/PCKDIXSGK44GSVDMHAHVECYDPD \
  | 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: 7894345e46573869546c380f520b0378c56bed4e5c971ae0f3b83b94a015ba0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa380d1e9e539905fe2cfcb276b049ce3c7bdbe18a9577928db0238e4bc840e",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-01-06T00:05:36Z",
    "title_canon_sha256": "eded083eb92641bb3df292293a781ebb9751247b4da94d8ead1514421aa76931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01044",
    "kind": "arxiv",
    "version": 2
  }
}