Pith Number

pith:E6IDOSR3

pith:1999:E6IDOSR3TRXMXXEGDMZCF7DYMR

not attested not anchored not stored refs pending

The averaging of non-local Hamiltonian structures in Whitham's method

Andrei Ya. Maltsev

arxiv:solv-int/9910011 v7 · 1999-10-28 · solv-int · 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{E6IDOSR3TRXMXXEGDMZCF7DYMR}

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	2026-05-18T00:39:18.977479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2790374a3b9c6ecbdc861b3222fc78645ee0ce27520426bc689981551659bd0f

Aliases

arxiv: solv-int/9910011 · arxiv_version: solv-int/9910011v7 · doi: 10.48550/arxiv.solv-int/9910011 · pith_short_12: E6IDOSR3TRXM · pith_short_16: E6IDOSR3TRXMXXEG · pith_short_8: E6IDOSR3

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/E6IDOSR3TRXMXXEGDMZCF7DYMR \
  | 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: 2790374a3b9c6ecbdc861b3222fc78645ee0ce27520426bc689981551659bd0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d26a46f80e0df2d0e4a67a7839ad0abd4c010e5292330a9c4bda99820c040c98",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "solv-int",
    "submitted_at": "1999-10-28T19:20:13Z",
    "title_canon_sha256": "8e852ed76225d53093c6143b50277e82d8caf2cd521eec5645174e0b013beec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9910011",
    "kind": "arxiv",
    "version": 7
  }
}