Pith Number

pith:B34SD2BT

pith:2009:B34SD2BT7DXDUN2YLR7DJNUPUS

not attested not anchored not stored refs pending

Testing General Relativity with Atomic Clocks

C. Salomon, P. Wolf, S. Reynaud

arxiv:0903.1166 v1 · 2009-03-06 · quant-ph · 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{B34SD2BT7DXDUN2YLR7DJNUPUS}

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	2026-05-18T02:35:00.607648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef921e833f8ee3a37585c7e34b68fa4a9aadb9788878657d3e974aa3031cee8

Aliases

arxiv: 0903.1166 · arxiv_version: 0903.1166v1 · doi: 10.48550/arxiv.0903.1166 · pith_short_12: B34SD2BT7DXD · pith_short_16: B34SD2BT7DXDUN2Y · pith_short_8: B34SD2BT

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/B34SD2BT7DXDUN2YLR7DJNUPUS \
  | 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: 0ef921e833f8ee3a37585c7e34b68fa4a9aadb9788878657d3e974aa3031cee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b83a5d3685c7d4be424fecbaa1a08f9bdb1e2d7eac7b1fe0a43312e5adb262d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-06T08:10:33Z",
    "title_canon_sha256": "472f31a6ced3a9fceba8a14f2e95ba321aafc4215a864294d67b8ad5201f3946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1166",
    "kind": "arxiv",
    "version": 1
  }
}