Pith Number

pith:LBK7QS4N

pith:2007:LBK7QS4NGQR6FSLUNETRUCK5AB

not attested not anchored not stored refs pending

Resonances and O-curves in Hamiltonian systems

Paolo Butt\`a, Piero Negrini

arxiv:0709.0349 v1 · 2007-09-04 · 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{LBK7QS4NGQR6FSLUNETRUCK5AB}

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	2026-05-18T01:21:03.255756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5855f84b8d3423e2c97469271a095d005edd00e5db6a434fffa42c7a1a4edb22

Aliases

arxiv: 0709.0349 · arxiv_version: 0709.0349v1 · doi: 10.48550/arxiv.0709.0349 · pith_short_12: LBK7QS4NGQR6 · pith_short_16: LBK7QS4NGQR6FSLU · pith_short_8: LBK7QS4N

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/LBK7QS4NGQR6FSLUNETRUCK5AB \
  | 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: 5855f84b8d3423e2c97469271a095d005edd00e5db6a434fffa42c7a1a4edb22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c75cb48f8f637212541e525996462f80809d4e4ccfaa86ca07aafc17e3d888",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2007-09-04T07:51:02Z",
    "title_canon_sha256": "0d0c9613ce9d559fd64c288343467afaa9ac5c17b3227f1080785cb5bcfcf156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0349",
    "kind": "arxiv",
    "version": 1
  }
}