Pith Number

pith:BQCIQAXJ

pith:2016:BQCIQAXJUDXFKU2CU7CQJI7ZG3

not attested not anchored not stored refs pending

Single-branch Er:fiber frequency comb for optical synthesis at the $10^{-18}$ level

Franklyn Quinlan, Holly Leopardi, Josue Davila-Rodriguez, Judith Olson, Scott Diddams, Tara Fortier

arxiv:1611.02259 v1 · 2016-11-07 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQCIQAXJUDXFKU2CU7CQJI7ZG3}

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	2026-05-18T01:00:02.759181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c048802e9a0ee555342a7c504a3f936f45e715ea84399eb90f11ffe9662d4b9

Aliases

arxiv: 1611.02259 · arxiv_version: 1611.02259v1 · doi: 10.48550/arxiv.1611.02259 · pith_short_12: BQCIQAXJUDXF · pith_short_16: BQCIQAXJUDXFKU2C · pith_short_8: BQCIQAXJ

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/BQCIQAXJUDXFKU2CU7CQJI7ZG3 \
  | 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: 0c048802e9a0ee555342a7c504a3f936f45e715ea84399eb90f11ffe9662d4b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47f44ba0da8f2117c018ec8158e03e11e9e84aa54ab9fbc322ab755a327de423",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-11-07T20:40:20Z",
    "title_canon_sha256": "fc53d82a1c26732e014710b89e6cab06e31e7e300a680834c95ec9ab9bdccc30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02259",
    "kind": "arxiv",
    "version": 1
  }
}