Pith Number

pith:UEN4JZXZ

pith:2010:UEN4JZXZQVHEHDXMYNFMZZRHB5

not attested not anchored not stored refs pending

An Ultra-Stable Referenced Interrogation System in the Deep Ultraviolet for a Mercury Optical Lattice Clock

C. Mandache, D.V. Magalh\~aes, J. Millo, M. Petersen, R. Chicireanu, S. Bize, S.T. Dawkins, Y. Le Coq

arxiv:1003.4213 v1 · 2010-03-22 · physics.atom-ph · physics.ins-det · 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{UEN4JZXZQVHEHDXMYNFMZZRHB5}

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	2026-05-18T02:24:36.275085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a11bc4e6f9854e438eecc34acce6270f7433bc804966fff4e22dd0e935831c8f

Aliases

arxiv: 1003.4213 · arxiv_version: 1003.4213v1 · doi: 10.48550/arxiv.1003.4213 · pith_short_12: UEN4JZXZQVHE · pith_short_16: UEN4JZXZQVHEHDXM · pith_short_8: UEN4JZXZ

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/UEN4JZXZQVHEHDXMYNFMZZRHB5 \
  | 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: a11bc4e6f9854e438eecc34acce6270f7433bc804966fff4e22dd0e935831c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a1eb1d7b428e75f6573337cff9418f91599280fd5d32b8c6656cf3acb9061c2",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-03-22T16:47:27Z",
    "title_canon_sha256": "6cbd88763c50b2bb32a5a78270e19c1b7766853053206758f6d6d12eae823001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4213",
    "kind": "arxiv",
    "version": 1
  }
}