Pith Number

pith:4NKOSFSY

pith:2014:4NKOSFSY6T2OFFL3JOOXYJVQUS

not attested not anchored not stored refs pending

A Casimir cannot cavity fly

Carlo Rovelli, Massimo Cerdonio

arxiv:1406.1105 v3 · 2014-06-04 · 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{4NKOSFSY6T2OFFL3JOOXYJVQUS}

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	2026-05-18T02:27:44.576673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e354e91658f4f4e2957b4b9d7c26b0a4af626bcb89c56205a0a2dd6ab5d78527

Aliases

arxiv: 1406.1105 · arxiv_version: 1406.1105v3 · doi: 10.48550/arxiv.1406.1105 · pith_short_12: 4NKOSFSY6T2O · pith_short_16: 4NKOSFSY6T2OFFL3 · pith_short_8: 4NKOSFSY

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/4NKOSFSY6T2OFFL3JOOXYJVQUS \
  | 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: e354e91658f4f4e2957b4b9d7c26b0a4af626bcb89c56205a0a2dd6ab5d78527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029b8ec564a55d12f2aed915bd351260fbd78844286c12379d1a04276ee276e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-04T16:46:25Z",
    "title_canon_sha256": "78ff3a2e7d9a3f465e935495fccf5a00ad3d83f04d12c59fbd5691c3754a9e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1105",
    "kind": "arxiv",
    "version": 3
  }
}