Pith Number

pith:OLIWSV6U

pith:2017:OLIWSV6UA3HDENKOH2EIBL6KFY

not attested not anchored not stored refs pending

Combinatorial invariant of nearly integrable Hamiltonians

Quang Sang Phan

arxiv:1703.06454 v1 · 2017-03-19 · math-ph · math.AP · 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{OLIWSV6UA3HDENKOH2EIBL6KFY}

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	2026-05-18T00:48:22.813096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72d16957d406ce32354e3e8880afca2e20b53d66a0ed3246653e029bbae4c282

Aliases

arxiv: 1703.06454 · arxiv_version: 1703.06454v1 · doi: 10.48550/arxiv.1703.06454 · pith_short_12: OLIWSV6UA3HD · pith_short_16: OLIWSV6UA3HDENKO · pith_short_8: OLIWSV6U

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/OLIWSV6UA3HDENKOH2EIBL6KFY \
  | 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: 72d16957d406ce32354e3e8880afca2e20b53d66a0ed3246653e029bbae4c282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ebecf3eba2426de1f8d729d5b858f21be951b355fb6eea1867c428c74999e3e",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-03-19T15:44:00Z",
    "title_canon_sha256": "543e170c37905afd8189a9925085e96c96c32fb7e2b84ca50ea22130764bfeae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06454",
    "kind": "arxiv",
    "version": 1
  }
}