Pith Number

pith:PSAKSTFF

pith:2015:PSAKSTFF5UXOR4BZOCMIGG2BIE

not attested not anchored not stored refs pending

8E-17 fractional laser frequency instability with a long room-temperature cavity

Christian Grebing, Christian Lisdat, Mikko Merimaa, Sebastian H\"afner, Stefan Vogt, Stephan Falke, Thomas Legero, Uwe Sterr

arxiv:1502.02608 v2 · 2015-02-09 · physics.optics · quant-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{PSAKSTFF5UXOR4BZOCMIGG2BIE}

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	2026-05-18T01:25:55.528637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c80a94ca5ed2ee8f0397098831b41410ceddafa74fca22295b56d4c39b562f3

Aliases

arxiv: 1502.02608 · arxiv_version: 1502.02608v2 · doi: 10.48550/arxiv.1502.02608 · pith_short_12: PSAKSTFF5UXO · pith_short_16: PSAKSTFF5UXOR4BZ · pith_short_8: PSAKSTFF

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/PSAKSTFF5UXOR4BZOCMIGG2BIE \
  | 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: 7c80a94ca5ed2ee8f0397098831b41410ceddafa74fca22295b56d4c39b562f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af22faa1e54c4a16daa0da5fb61160d1d5a0634e3abc96fc4e36172d448f496c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-09T19:06:55Z",
    "title_canon_sha256": "098e2c67bd0412eb5eef839d5fa686d23470861fa6ebe1e1efc9ba6270a8282d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02608",
    "kind": "arxiv",
    "version": 2
  }
}