Pith Number

pith:L3EPDRMW

pith:2012:L3EPDRMWF4E7M7ZYUAFZEJIRIH

not attested not anchored not stored refs pending

Generalised action-angle coordinates defined on island chains

Ashley M. Gibson, Robert L. Dewar, Stuart R. Hudson

arxiv:1204.0308 v2 · 2012-04-02 · physics.plasm-ph · 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{L3EPDRMWF4E7M7ZYUAFZEJIRIH}

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	2026-05-18T03:38:14.239118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ec8f1c5962f09f67f38a00b92251141c03a147bd4f24f721d1aa62cc86a37d0

Aliases

arxiv: 1204.0308 · arxiv_version: 1204.0308v2 · doi: 10.48550/arxiv.1204.0308 · pith_short_12: L3EPDRMWF4E7 · pith_short_16: L3EPDRMWF4E7M7ZY · pith_short_8: L3EPDRMW

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/L3EPDRMWF4E7M7ZYUAFZEJIRIH \
  | 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: 5ec8f1c5962f09f67f38a00b92251141c03a147bd4f24f721d1aa62cc86a37d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce57a54ea02743a7e5d4d043ab804ecb0e15998b68d4a46dca6ad40cf84b82a",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2012-04-02T03:53:01Z",
    "title_canon_sha256": "574697e80f394bd30436f960a9b4f2d4c5b506f9138ec767fa1402002055fab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0308",
    "kind": "arxiv",
    "version": 2
  }
}