Pith Number

pith:57VASYWO

pith:2015:57VASYWODO6763COCLHHOFVGLQ

not attested not anchored not stored refs pending

Measuring the linewidth of a stabilized diode laser

Harish Ravi, Karthik Sylvan, Lal Muanzuala, Vasant Natarajan

arxiv:1510.03683 v1 · 2015-09-03 · physics.atom-ph · 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{57VASYWODO6763COCLHHOFVGLQ}

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	2026-05-18T01:30:16.486016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efea0962ce1bbdff6c4e12ce7716a65c1000d69305ee9cec4900c35de27e6c26

Aliases

arxiv: 1510.03683 · arxiv_version: 1510.03683v1 · doi: 10.48550/arxiv.1510.03683 · pith_short_12: 57VASYWODO67 · pith_short_16: 57VASYWODO6763CO · pith_short_8: 57VASYWO

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/57VASYWODO6763COCLHHOFVGLQ \
  | 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: efea0962ce1bbdff6c4e12ce7716a65c1000d69305ee9cec4900c35de27e6c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c918f466ca162e0a13d2bf509147c3a4f9cc3ef5279c703f5b98c434f8d2a1db",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-09-03T07:00:46Z",
    "title_canon_sha256": "51ec2f0f22b9f9a583531776b6cf7033342d50b94546eadfed393cbd77e9f438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03683",
    "kind": "arxiv",
    "version": 1
  }
}