Pith Number

pith:VU6XSZW5

pith:2017:VU6XSZW5WYSIILZS6365MBN7LJ

not attested not anchored not stored refs pending

Quantum Variational Principle and quantum multiform structure: the case of quadratic Lagrangians

Frank W. Nijhoff, Steven D. King

arxiv:1702.08709 v2 · 2017-02-28 · math-ph · math.MP · nlin.SI · quant-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{VU6XSZW5WYSIILZS6365MBN7LJ}

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	2026-05-18T00:48:41.706760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad3d7966ddb624842f32f6fdd605bf5a5c3309df73314ca6d4b4f4081641552f

Aliases

arxiv: 1702.08709 · arxiv_version: 1702.08709v2 · doi: 10.48550/arxiv.1702.08709 · pith_short_12: VU6XSZW5WYSI · pith_short_16: VU6XSZW5WYSIILZS · pith_short_8: VU6XSZW5

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/VU6XSZW5WYSIILZS6365MBN7LJ \
  | 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: ad3d7966ddb624842f32f6fdd605bf5a5c3309df73314ca6d4b4f4081641552f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b8d409908301e65d993c3e8ddb17bff21c488207d39fbf7a9c31b96a778381",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-02-28T09:25:39Z",
    "title_canon_sha256": "6273f274cda91bcbc110c4d00fbacba2db80bf4247070d3a45a1032ba9a1b75b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08709",
    "kind": "arxiv",
    "version": 2
  }
}