Pith Number

pith:PHIPG7N3

pith:2018:PHIPG7N3YKK4UHRA264RIYA3U2

not attested not anchored not stored refs pending

Hamiltonian systems: symbolical, numerical and graphical study

Jos\'e A Vallejo, Setsuo Takato

arxiv:1805.05417 v1 · 2018-05-09 · math.NA · math-ph · math.MP · nlin.CD · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHIPG7N3YKK4UHRA264RIYA3U2}

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	2026-05-17T23:46:30.518794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d0f37dbbc295ca1e20d7b914601ba6af358d18502416ec181043edc347424d

Aliases

arxiv: 1805.05417 · arxiv_version: 1805.05417v1 · doi: 10.48550/arxiv.1805.05417 · pith_short_12: PHIPG7N3YKK4 · pith_short_16: PHIPG7N3YKK4UHRA · pith_short_8: PHIPG7N3

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/PHIPG7N3YKK4UHRA264RIYA3U2 \
  | 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: 79d0f37dbbc295ca1e20d7b914601ba6af358d18502416ec181043edc347424d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679177b29e18a6f3ca07410e156a83e9dc57960dd374b147937dd1e06f3bdc9d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.CD",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-09T21:38:29Z",
    "title_canon_sha256": "dbfb40c73efdbc7d6931a84f615ce4bd77b51a02306b396018ccb4479b93ca1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05417",
    "kind": "arxiv",
    "version": 1
  }
}