Pith Number

pith:UDJSRGW5

pith:2005:UDJSRGW5C5NCK4LRFLWZKVN77Q

not attested not anchored not stored refs pending

Sensitivity of high precision Michelson-Morley experiments to tilting of their setups

Ll. Bel

arxiv:gr-qc/0509005 v2 · 2005-09-01 · 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{UDJSRGW5C5NCK4LRFLWZKVN77Q}

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	2026-05-18T01:06:45.421764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d3289add175a2571712aed9555bffc3d2a317d725c6ecd2a83392998587394

Aliases

arxiv: gr-qc/0509005 · arxiv_version: gr-qc/0509005v2 · doi: 10.48550/arxiv.gr-qc/0509005 · pith_short_12: UDJSRGW5C5NC · pith_short_16: UDJSRGW5C5NCK4LR · pith_short_8: UDJSRGW5

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/UDJSRGW5C5NCK4LRFLWZKVN77Q \
  | 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: a0d3289add175a2571712aed9555bffc3d2a317d725c6ecd2a83392998587394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e669b574c81d8d5513ac1abc52a707e360c971fb0c06be65f4484b19ad208fd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-09-01T10:42:58Z",
    "title_canon_sha256": "139dc4e50cd1976ad5d1d4b22356ae0217f3e6d1682b206a35def0c91fd15199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0509005",
    "kind": "arxiv",
    "version": 2
  }
}