Pith Number

pith:HKB365NT

pith:2015:HKB365NT4T7GW4G2CTFDVIMFSC

not attested not anchored not stored refs pending

Ultralong Faraday laser as an optical frequency standard

Chuanwen Zhu, Duo Pan, Jingbiao Chen, Mo Chen, Xiaobo Xue, Xiaogang Zhang

arxiv:1501.05374 v2 · 2015-01-22 · 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{HKB365NT4T7GW4G2CTFDVIMFSC}

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	2026-05-18T02:27:43.850480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a83bf75b3e4fe6b70da14ca3aa18590ba417cc6b870fc414034508161c64ab8

Aliases

arxiv: 1501.05374 · arxiv_version: 1501.05374v2 · doi: 10.48550/arxiv.1501.05374 · pith_short_12: HKB365NT4T7G · pith_short_16: HKB365NT4T7GW4G2 · pith_short_8: HKB365NT

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/HKB365NT4T7GW4G2CTFDVIMFSC \
  | 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: 3a83bf75b3e4fe6b70da14ca3aa18590ba417cc6b870fc414034508161c64ab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f77eb4cc83ce479c1b01a4c4db75f80326ca5049182f71203b6bc3cbee587175",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-01-22T03:08:15Z",
    "title_canon_sha256": "5ca5f5587b08b83af6e4553dc339fcaceca15da1ad83e6f135e2232a6eca6ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05374",
    "kind": "arxiv",
    "version": 2
  }
}