Pith Number

pith:DWOPZ32V

pith:2025:DWOPZ32VMIIKFLZP7ZL2PS37YD

not attested not anchored not stored refs pending

Vanishing Metric Commutation Relation and Higher-derivative De Donder Gauge in Quadratic Gravity

Ichiro Oda

arxiv:2507.10712 v1 · 2025-07-14 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWOPZ32VMIIKFLZP7ZL2PS37YD}

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	2026-07-05T11:36:58.835542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9cfcef556210a2af2ffe57a7cb7fc0ecd6331142da7e23b0ff03fa31fe07a7

Aliases

arxiv: 2507.10712 · arxiv_version: 2507.10712v1 · doi: 10.48550/arxiv.2507.10712 · pith_short_12: DWOPZ32VMIIK · pith_short_16: DWOPZ32VMIIKFLZP · pith_short_8: DWOPZ32V

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/DWOPZ32VMIIKFLZP7ZL2PS37YD \
  | 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: 1d9cfcef556210a2af2ffe57a7cb7fc0ecd6331142da7e23b0ff03fa31fe07a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2208737b3108f668fa5921b36aa3c2d12bf06b75c322dfff63ab1be79fdfa1b8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-07-14T18:30:18Z",
    "title_canon_sha256": "3fee34fafcab07634c38427b90508e69d00380d1cc30267da4b47c239461a80d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10712",
    "kind": "arxiv",
    "version": 1
  }
}