Pith Number

pith:DAP7RUE4

pith:2013:DAP7RUE4BKA7CT23MKAXIUB4EZ

not attested not anchored not stored refs pending

Hamiltonian dynamics of several rigid bodies interacting with point vortices

Steffen Weissmann

arxiv:1302.2560 v2 · 2013-02-11 · physics.flu-dyn · math-ph · 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{DAP7RUE4BKA7CT23MKAXIUB4EZ}

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	2026-05-18T02:57:45.074634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

181ff8d09c0a81f14f5b628174503c2647c9397a7bec7fd6d2093b4b74ebc414

Aliases

arxiv: 1302.2560 · arxiv_version: 1302.2560v2 · doi: 10.48550/arxiv.1302.2560 · pith_short_12: DAP7RUE4BKA7 · pith_short_16: DAP7RUE4BKA7CT23 · pith_short_8: DAP7RUE4

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/DAP7RUE4BKA7CT23MKAXIUB4EZ \
  | 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: 181ff8d09c0a81f14f5b628174503c2647c9397a7bec7fd6d2093b4b74ebc414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "112bac931777048f8ccdb1ee528bb9e25a412df45956ff0d3460510352e8af47",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-02-11T18:23:00Z",
    "title_canon_sha256": "42820c7f2e75c6b108796d5f3ba7827aac5cc57824c1319edabcde080373db25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2560",
    "kind": "arxiv",
    "version": 2
  }
}