Pith Number

pith:QHQ3JLCM

pith:2018:QHQ3JLCMPM4U562HDXULLOS2A7

not attested not anchored not stored refs pending

Variational Procedure for Higher-Derivative Mechanical Models in a Fractional Integral Framework

C. F. L. Godinho, J. A. Helay\"el Neto, Nelson Panza

arxiv:1808.08278 v1 · 2018-08-18 · physics.class-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHQ3JLCMPM4U562HDXULLOS2A7}

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	2026-05-18T00:07:21.638435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e1b4ac4c7b394efb471de8b5ba5a07e5b8e20458cd7e172469267ca0213e13

Aliases

arxiv: 1808.08278 · arxiv_version: 1808.08278v1 · doi: 10.48550/arxiv.1808.08278 · pith_short_12: QHQ3JLCMPM4U · pith_short_16: QHQ3JLCMPM4U562H · pith_short_8: QHQ3JLCM

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/QHQ3JLCMPM4U562HDXULLOS2A7 \
  | 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: 81e1b4ac4c7b394efb471de8b5ba5a07e5b8e20458cd7e172469267ca0213e13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6761faf0a2c1ebf27b8d54758689f3a27f4f566c55de21532c438cfc0d0d3eab",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-08-18T15:09:42Z",
    "title_canon_sha256": "38d14fe0a9c932c76e52280cf1bc11d75c4d419fa0914f2529e9f28386ae21cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08278",
    "kind": "arxiv",
    "version": 1
  }
}