Pith Number

pith:YF5LS26M

pith:2019:YF5LS26MTWRATFFGYV3W37HSNQ

not attested not anchored not stored refs pending

Quasi-Noether systems and quasi-Lagrangians

Ravi Shankar, V. Rosenhaus

arxiv:1907.07123 v2 · 2019-07-14 · 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{YF5LS26MTWRATFFGYV3W37HSNQ}

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	2026-05-17T23:40:22.916456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c17ab96bcc9da20994a6c5776dfcf26c010c7b3ccecb57510d810399d4ea72dc

Aliases

arxiv: 1907.07123 · arxiv_version: 1907.07123v2 · doi: 10.48550/arxiv.1907.07123 · pith_short_12: YF5LS26MTWRA · pith_short_16: YF5LS26MTWRATFFG · pith_short_8: YF5LS26M

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/YF5LS26MTWRATFFGYV3W37HSNQ \
  | 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: c17ab96bcc9da20994a6c5776dfcf26c010c7b3ccecb57510d810399d4ea72dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb99d3dfda5a410dddddbab041feb8e3f5c70526dd6fa3242d328c10f1b4de59",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-07-14T11:49:20Z",
    "title_canon_sha256": "e1d31db9b5e2eb88ac85148784b30e128557ed4c75828c4edf25fc82b6ff01ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07123",
    "kind": "arxiv",
    "version": 2
  }
}