Pith Number

pith:63T7QM46

pith:2017:63T7QM46I7NH4QL3UY4PODUKLN

not attested not anchored not stored refs pending

Quadratic curvature terms and deformed Schwarzschild-de Sitter black hole analogues in the laboratory

A. A. Tomaz, R. F. Sobreiro, Roldao da Rocha

arxiv:1705.04877 v1 · 2017-05-13 · gr-qc · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63T7QM46I7NH4QL3UY4PODUKLN}

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	2026-05-18T00:30:16.931888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e7f8339e47da7e417ba638f70e8a5b5b53819682f2248f2435b980ebc8a1eb

Aliases

arxiv: 1705.04877 · arxiv_version: 1705.04877v1 · doi: 10.48550/arxiv.1705.04877 · pith_short_12: 63T7QM46I7NH · pith_short_16: 63T7QM46I7NH4QL3 · pith_short_8: 63T7QM46

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/63T7QM46I7NH4QL3UY4PODUKLN \
  | 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: f6e7f8339e47da7e417ba638f70e8a5b5b53819682f2248f2435b980ebc8a1eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "383129422c11109fd277fd64ce876a1ae3f9e53ffd675634aee1ad8a63af080f",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-13T19:24:15Z",
    "title_canon_sha256": "8ca5f28816911cd4ce0387d246fd48108edcb203c5aff231429abac94526acce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04877",
    "kind": "arxiv",
    "version": 1
  }
}