Pith Number

pith:Y4KDL4SV

pith:2014:Y4KDL4SV5ML2DNXIJ6WEKL7GC7

not attested not anchored not stored refs pending

Optical frequency comb technology for ultra-broadband radio-frequency photonics

Andrew M. Weiner, Victor Torres-Company

arxiv:1403.2776 v1 · 2014-03-11 · 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{Y4KDL4SV5ML2DNXIJ6WEKL7GC7}

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	2026-05-18T02:56:34.171527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71435f255eb17a1b6e84fac452fe617f5e30607c6fb0fb408a887143d0d42df

Aliases

arxiv: 1403.2776 · arxiv_version: 1403.2776v1 · doi: 10.48550/arxiv.1403.2776 · pith_short_12: Y4KDL4SV5ML2 · pith_short_16: Y4KDL4SV5ML2DNXI · pith_short_8: Y4KDL4SV

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/Y4KDL4SV5ML2DNXIJ6WEKL7GC7 \
  | 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: c71435f255eb17a1b6e84fac452fe617f5e30607c6fb0fb408a887143d0d42df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b8d76a7ca1b010655dfc2885d6277996c59531012e25f4304750e6818798091",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-03-11T22:59:20Z",
    "title_canon_sha256": "19acf28dcb6bfad0b56826247545018644d2211203b4543187ef7aec01c36f9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2776",
    "kind": "arxiv",
    "version": 1
  }
}