Pith Number

pith:QOHA7PPC

pith:2008:QOHA7PPC2Y2CVCL3KJ6PAVJSRR

not attested not anchored not stored refs pending

Kinetic equation for a soliton gas and its hydrodynamic reductions

A.M. Kamchatnov, G.A. El, M.V. Pavlov, S.A. Zykov

arxiv:0802.1261 v3 · 2008-02-09 · 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{QOHA7PPC2Y2CVCL3KJ6PAVJSRR}

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	2026-05-18T04:40:54.980674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838e0fbde2d6342a897b527cf055328c461f777bdde362555252c43ec8b466c7

Aliases

arxiv: 0802.1261 · arxiv_version: 0802.1261v3 · doi: 10.48550/arxiv.0802.1261 · pith_short_12: QOHA7PPC2Y2C · pith_short_16: QOHA7PPC2Y2CVCL3 · pith_short_8: QOHA7PPC

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/QOHA7PPC2Y2CVCL3KJ6PAVJSRR \
  | 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: 838e0fbde2d6342a897b527cf055328c461f777bdde362555252c43ec8b466c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85c3eeec0eebb7eaaca9c1bd0dd136a5b78d0199500acfb056aff49950bb7c9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-02-09T14:02:46Z",
    "title_canon_sha256": "3652b136a4d629a3d857c1ac6e54f4d45adf3471653df77674b9043b8693356a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1261",
    "kind": "arxiv",
    "version": 3
  }
}