Pith Number

pith:ATATW2OI

pith:2011:ATATW2OICYCKRCE5VYY424ZPWF

not attested not anchored not stored refs pending

Frequency-stabilization to 6x10^-16 via spectral-hole burning

Lars Rippe, Matthew S. Kirchner, Michael J. Thorpe, Tara M. Fortier, Till Rosenband

arxiv:1106.0520 v1 · 2011-06-02 · 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{ATATW2OICYCKRCE5VYY424ZPWF}

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	2026-05-18T02:01:44.206025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04c13b69c81604a8889dae31cd732fb172b6aebf7376e1e8d9047e4104b0da75

Aliases

arxiv: 1106.0520 · arxiv_version: 1106.0520v1 · doi: 10.48550/arxiv.1106.0520 · pith_short_12: ATATW2OICYCK · pith_short_16: ATATW2OICYCKRCE5 · pith_short_8: ATATW2OI

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/ATATW2OICYCKRCE5VYY424ZPWF \
  | 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: 04c13b69c81604a8889dae31cd732fb172b6aebf7376e1e8d9047e4104b0da75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29087e5ea4cdc7686de2d2bb0aa41768bbd9671dbe63ce516b7aa89bdbd212d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-06-02T21:38:07Z",
    "title_canon_sha256": "d252056168bb672ade0d5c1a3155b489b2f1c44ac31e187a266387a4280dddd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0520",
    "kind": "arxiv",
    "version": 1
  }
}