Pith Number

pith:QLCAFQ3W

pith:2013:QLCAFQ3WW7WS5RT6W2NQPRPMCW

not attested not anchored not stored refs pending

Aspects of Lagrange's Mechanics and their Legacy

Giovanni Gallavotti

arxiv:1305.3438 v2 · 2013-05-05 · math-ph · math.HO · math.MP · nlin.CD · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLCAFQ3WW7WS5RT6W2NQPRPMCW}

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	2026-05-18T03:06:42.883408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82c402c376b7ed2ec67eb69b07c5ec15aecc1e65404ee8e3556f8bde9f9a24a0

Aliases

arxiv: 1305.3438 · arxiv_version: 1305.3438v2 · doi: 10.48550/arxiv.1305.3438 · pith_short_12: QLCAFQ3WW7WS · pith_short_16: QLCAFQ3WW7WS5RT6 · pith_short_8: QLCAFQ3W

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/QLCAFQ3WW7WS5RT6W2NQPRPMCW \
  | 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: 82c402c376b7ed2ec67eb69b07c5ec15aecc1e65404ee8e3556f8bde9f9a24a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cd708b61b54c1ace680d3a9de65421534ec9b43c8c2053f934d989297a8fdb2",
    "cross_cats_sorted": [
      "math.HO",
      "math.MP",
      "nlin.CD",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-05-05T14:35:07Z",
    "title_canon_sha256": "6354ebaab006e75717fd1dea66bd82e14792e3a5fc85f73428c1fcdd82c02e4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3438",
    "kind": "arxiv",
    "version": 2
  }
}