Pith Number

pith:YCAGBNNU

pith:2012:YCAGBNNUHFHLQ54PPTJXZA7ZD4

not attested not anchored not stored refs pending

Fizeau's "aether-drag" experiment in the undergraduate laboratory

Pierre Labastie, Renaud Mathevet, Thierry Lahaye

arxiv:1201.0501 v1 · 2012-01-02 · physics.optics · physics.ed-ph · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCAGBNNUHFHLQ54PPTJXZA7ZD4}

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	2026-05-18T03:53:42.323701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c08060b5b4394eb8778f7cd37c83f91f18e6a4879abd63ececda9ac7c444f8a0

Aliases

arxiv: 1201.0501 · arxiv_version: 1201.0501v1 · doi: 10.48550/arxiv.1201.0501 · pith_short_12: YCAGBNNUHFHL · pith_short_16: YCAGBNNUHFHLQ54P · pith_short_8: YCAGBNNU

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/YCAGBNNUHFHLQ54PPTJXZA7ZD4 \
  | 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: c08060b5b4394eb8778f7cd37c83f91f18e6a4879abd63ececda9ac7c444f8a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41f3be3bf4b4d5a71cb8e034a77e551e184e8f5d4784d52cfe63a959cd83bd16",
    "cross_cats_sorted": [
      "physics.ed-ph",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-02T17:30:59Z",
    "title_canon_sha256": "6336e6a90969b373e9cc9de71dc07afc51e9b1c57467828db18374b76680f8f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0501",
    "kind": "arxiv",
    "version": 1
  }
}