Pith Number

pith:XWJ36BLB

pith:2015:XWJ36BLBQ7CHGGP2YL3VERWNOK

not attested not anchored not stored refs pending

Coadjoint orbits of symplectic diffeomorphisms of surfaces and ideal hydrodynamics

Anton Izosimov, Boris Khesin, Mehdi Mousavi

arxiv:1504.05629 v2 · 2015-04-22 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWJ36BLBQ7CHGGP2YL3VERWNOK}

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	2026-05-18T01:18:09.875385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd93bf056187c47319fac2f75246cd72be20c4c5002238d16c5bb4a5efc3cfed

Aliases

arxiv: 1504.05629 · arxiv_version: 1504.05629v2 · doi: 10.48550/arxiv.1504.05629 · pith_short_12: XWJ36BLBQ7CH · pith_short_16: XWJ36BLBQ7CHGGP2 · pith_short_8: XWJ36BLB

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/XWJ36BLBQ7CHGGP2YL3VERWNOK \
  | 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: bd93bf056187c47319fac2f75246cd72be20c4c5002238d16c5bb4a5efc3cfed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "537d091697c4fa2f4ce890ebf63e7b1b62737d3602527725afa6048e604d5c12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2015-04-22T01:21:48Z",
    "title_canon_sha256": "37f285dd79333457c10bc395dc5350a9458e9d119886eb524ae88a6c88745088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05629",
    "kind": "arxiv",
    "version": 2
  }
}