Pith Number

pith:W5AIM6DT

pith:2015:W5AIM6DT2VJIRDNM7ZC7DBRWBP

not attested not anchored not stored refs pending

Symplectic reduction at zero angular momentum

Christopher Seaton, Hans-Christian Herbig, Joshua Cape

arxiv:1504.04933 v1 · 2015-04-20 · math.SG · math-ph · math.AC · math.AG · 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{W5AIM6DT2VJIRDNM7ZC7DBRWBP}

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	2026-05-18T01:18:57.488297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b740867873d552888dacfe45f186360bfb34392bc76d3e776700a964fee42da3

Aliases

arxiv: 1504.04933 · arxiv_version: 1504.04933v1 · doi: 10.48550/arxiv.1504.04933 · pith_short_12: W5AIM6DT2VJI · pith_short_16: W5AIM6DT2VJIRDNM · pith_short_8: W5AIM6DT

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/W5AIM6DT2VJIRDNM7ZC7DBRWBP \
  | 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: b740867873d552888dacfe45f186360bfb34392bc76d3e776700a964fee42da3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1aa0aea43f5c354fbbcf8654bc2c41305d5624a3d8fe090a541c6fd7e13e9c2",
    "cross_cats_sorted": [
      "math-ph",
      "math.AC",
      "math.AG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2015-04-20T04:15:30Z",
    "title_canon_sha256": "f8bf1e453c46f273cbadc800bdaeb0c34c48ee9fad452f13fc1a988e1f4f3e6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04933",
    "kind": "arxiv",
    "version": 1
  }
}