Pith Number

pith:SE2H4SLJ

pith:2008:SE2H4SLJFADS2MD5SGEUW7SYS2

not attested not anchored not stored refs pending

Universality of algebraic laws in Hamiltonian systems

Roberto Venegeroles

arxiv:0812.2271 v2 · 2008-12-11 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SE2H4SLJFADS2MD5SGEUW7SYS2}

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	2026-07-04T15:37:32.129859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91347e496928072d307d91894b7e5896a662487e3d0ec15c5d66d349d640c899

Aliases

arxiv: 0812.2271 · arxiv_version: 0812.2271v2 · doi: 10.48550/arxiv.0812.2271 · pith_short_12: SE2H4SLJFADS · pith_short_16: SE2H4SLJFADS2MD5 · pith_short_8: SE2H4SLJ

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/SE2H4SLJFADS2MD5SGEUW7SYS2 \
  | 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: 91347e496928072d307d91894b7e5896a662487e3d0ec15c5d66d349d640c899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7883e2b5df6be06938e950707cef4d0009ac160ae9e97761c7aa3ca51528e037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2008-12-11T23:31:13Z",
    "title_canon_sha256": "c2cc017558735b3305ebfc26de5f0289d420ba71c37a21d280aa7ed8cf6a3c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2271",
    "kind": "arxiv",
    "version": 2
  }
}