Pith Number

pith:XIHSKTUI

pith:2019:XIHSKTUIX6M7LWBGBZOQUX6EES

not attested not anchored not stored refs pending

Geometric Hydrodynamics: from Euler, to Poincar\'e, to Arnold

Klas Modin

arxiv:1910.03301 v1 · 2019-10-08 · math-ph · math.DG · 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{XIHSKTUIX6M7LWBGBZOQUX6EES}

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	2026-07-05T05:51:54.929700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba0f254e88bf99f5d8260e5d0a5fc424a3460c306a24418c258a69fd7d901e9f

Aliases

arxiv: 1910.03301 · arxiv_version: 1910.03301v1 · doi: 10.48550/arxiv.1910.03301 · pith_short_12: XIHSKTUIX6M7 · pith_short_16: XIHSKTUIX6M7LWBG · pith_short_8: XIHSKTUI

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/XIHSKTUIX6M7LWBGBZOQUX6EES \
  | 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: ba0f254e88bf99f5d8260e5d0a5fc424a3460c306a24418c258a69fd7d901e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "331901a1d8f344cb4a32be3285bfcd730afe134da4f2c876317b89dbdbbe7caf",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-10-08T09:43:22Z",
    "title_canon_sha256": "03de01b262ef019925fac35d45c572b141a8530ab1ab9e14d23fb7d6a4c2d1e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03301",
    "kind": "arxiv",
    "version": 1
  }
}