Pith Number

pith:QNRFVWEF

pith:2011:QNRFVWEFYA35B2UE3PR5WNZEYP

not attested not anchored not stored refs pending

KdV Hamiltonian as function of actions

Evgeny Korotyaev, Sergei Kuksin

arxiv:1110.4475 v1 · 2011-10-20 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNRFVWEFYA35B2UE3PR5WNZEYP}

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	2026-05-18T04:10:36.672447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83625ad885c037d0ea84dbe3db3724c3febcf32948628ca37eee7276f78be319

Aliases

arxiv: 1110.4475 · arxiv_version: 1110.4475v1 · doi: 10.48550/arxiv.1110.4475 · pith_short_12: QNRFVWEFYA35 · pith_short_16: QNRFVWEFYA35B2UE · pith_short_8: QNRFVWEF

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/QNRFVWEFYA35B2UE3PR5WNZEYP \
  | 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: 83625ad885c037d0ea84dbe3db3724c3febcf32948628ca37eee7276f78be319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c4101e1945d119600a5c8a4c1162d4ab09dc7ea505f7c0606d39732df89b552",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-10-20T09:18:16Z",
    "title_canon_sha256": "d2f3ff83c8112f04a58a86364c048af5e3741d259ead4e73416d49070d221176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4475",
    "kind": "arxiv",
    "version": 1
  }
}