Pith Number

pith:SINDBZI4

pith:2025:SINDBZI4WQGL7VFIN72KBX5A4S

not attested not anchored not stored refs pending

Analytical constraints on gravitational models with a quadratic Weyl tensor

Antonio De Felice, Benjamin Sutton, Mairi Sakellariadou

arxiv:2504.15005 v1 · 2025-04-21 · 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{SINDBZI4WQGL7VFIN72KBX5A4S}

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	2026-07-05T11:43:11.290804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921a30e51cb40cbfd4a86ff4a0dfa0e48208150b4cb69cdb783c4c4d063c1df3

Aliases

arxiv: 2504.15005 · arxiv_version: 2504.15005v1 · doi: 10.48550/arxiv.2504.15005 · pith_short_12: SINDBZI4WQGL · pith_short_16: SINDBZI4WQGL7VFI · pith_short_8: SINDBZI4

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/SINDBZI4WQGL7VFIN72KBX5A4S \
  | 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: 921a30e51cb40cbfd4a86ff4a0dfa0e48208150b4cb69cdb783c4c4d063c1df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59785da00c95179238a194270f53428adc0bc87c3e08263c6f9dd02a2383d239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-04-21T10:11:40Z",
    "title_canon_sha256": "a9fee9067a7a0ef3b85a452db2221560a7cf41cd783ba147beae733504922975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15005",
    "kind": "arxiv",
    "version": 1
  }
}