Pith Number

pith:BC7UJATU

pith:2017:BC7UJATUQVYVLHSOQREUVYDBYB

not attested not anchored not stored refs pending

Hybrid fiber links for accurate optical frequency comparisons

Anne Amy-Klein (LPL), Anthony Bercy (LPL), Fabio Stefani, Olivier Lopez (LPL), Paul-Eric Pottie, Won-Kyu Lee (KRISS)

arxiv:1702.01687 v1 · 2017-02-06 · quant-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{BC7UJATUQVYVLHSOQREUVYDBYB}

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	2026-05-18T00:43:54.832497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08bf4482748571559e4e84494ae061c054b0fb39a7740b30ead1eed2fb171d79

Aliases

arxiv: 1702.01687 · arxiv_version: 1702.01687v1 · doi: 10.48550/arxiv.1702.01687 · pith_short_12: BC7UJATUQVYV · pith_short_16: BC7UJATUQVYVLHSO · pith_short_8: BC7UJATU

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/BC7UJATUQVYVLHSOQREUVYDBYB \
  | 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: 08bf4482748571559e4e84494ae061c054b0fb39a7740b30ead1eed2fb171d79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43b9edf3a7f38e4dbb7a0dc8774eeaff4fb6559862b5525eb1c8fe6d31f141b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-06T16:25:24Z",
    "title_canon_sha256": "4123077cba9fcf7d438b50673006758ee9b248df36ea370d7004a26908c11d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01687",
    "kind": "arxiv",
    "version": 1
  }
}