Pith Number

pith:GQ75INJY

pith:2013:GQ75INJYA4YV4MIFNUTZCIKAFN

not attested not anchored not stored refs pending

Precise Measurement of Laser Power using an Optomechanical System

Daniel Friedrich, Erina Nishida, Giulia DeSalvo, Kazuhiro Agatsuma, Seiji Kawamura, Shihori Sakata, Stefan Ballmer

arxiv:1309.4779 v2 · 2013-09-18 · physics.ins-det · gr-qc · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQ75INJYA4YV4MIFNUTZCIKAFN}

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	2026-05-18T03:01:10.207871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343fd4353807315e31056d279121402b75105e29267c6bce968f96b13f067aa5

Aliases

arxiv: 1309.4779 · arxiv_version: 1309.4779v2 · doi: 10.48550/arxiv.1309.4779 · pith_short_12: GQ75INJYA4YV · pith_short_16: GQ75INJYA4YV4MIF · pith_short_8: GQ75INJY

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/GQ75INJYA4YV4MIFNUTZCIKAFN \
  | 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: 343fd4353807315e31056d279121402b75105e29267c6bce968f96b13f067aa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2a4146269198204968cb0b848f28f23ebefa19d3959af28fb1c3eefa772339",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2013-09-18T20:00:03Z",
    "title_canon_sha256": "ce29681848f89c3926a64c66e07c6b56da902c13eb568bf07a72dc5d8442245b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4779",
    "kind": "arxiv",
    "version": 2
  }
}