Pith Number

pith:ECQVNTTV

pith:2020:ECQVNTTVT35MAKWBXZWHJBCLGQ

not attested not anchored not stored refs pending

Accurate laser frequency locking to optical frequency combs under low-signal-to-noise-ratio conditions

C. Guo, H. \'Alvarez-Mart\'inez, L. De Sarlo, M. Andia, M. Favier, M. Lours, N. Galland, R. Le Targat, S. Bize, V. Cambier

arxiv:2003.10510 v1 · 2020-03-23 · physics.optics · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECQVNTTVT35MAKWBXZWHJBCLGQ}

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	2026-07-05T00:49:53.644380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a156ce759efac02ac1be6c74844b343e8d3a8affa700415e7b17fe21492b7e

Aliases

arxiv: 2003.10510 · arxiv_version: 2003.10510v1 · doi: 10.48550/arxiv.2003.10510 · pith_short_12: ECQVNTTVT35M · pith_short_16: ECQVNTTVT35MAKWB · pith_short_8: ECQVNTTV

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/ECQVNTTVT35MAKWBXZWHJBCLGQ \
  | 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: 20a156ce759efac02ac1be6c74844b343e8d3a8affa700415e7b17fe21492b7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fec920b813f4039cf5185202aa63f7bd3b7f72eb0b4b2252b503d2d913f0ab3",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-03-23T19:38:58Z",
    "title_canon_sha256": "a93499f9f76d0ed71605d5f4960888a268a478b4f6fd6eb3e9f6570baf1d7d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10510",
    "kind": "arxiv",
    "version": 1
  }
}