Pith Number

pith:JOQFBNHH

pith:2004:JOQFBNHHHXYKGSUDITPLKUBFDD

not attested not anchored not stored refs pending

Precision spectroscopy and density-dependent frequency shifts in ultracold Sr

Andrew D. Ludlow, Jun Ye, Kevin W. Holman, Martin M. Boyd, Tetsuya Ido, Thomas H. Loftus

arxiv:physics/0410110 v2 · 2004-10-15 · 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{JOQFBNHHHXYKGSUDITPLKUBFDD}

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	2026-07-04T16:50:03.855553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ba050b4e73df0a34a8344deb5502518d4c72bae2b97d74471f287b3023ab81b

Aliases

arxiv: physics/0410110 · arxiv_version: physics/0410110v2 · doi: 10.48550/arxiv.physics/0410110 · pith_short_12: JOQFBNHHHXYK · pith_short_16: JOQFBNHHHXYKGSUD · pith_short_8: JOQFBNHH

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/JOQFBNHHHXYKGSUDITPLKUBFDD \
  | 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: 4ba050b4e73df0a34a8344deb5502518d4c72bae2b97d74471f287b3023ab81b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def29c730ac79cb4f9414a744a99b176d58c721954b933ba734fe1e5dab29d88",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2004-10-15T22:14:50Z",
    "title_canon_sha256": "a29ce0a2769950d628298b64f947172d7b444154cc29bb7216911361d007caf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0410110",
    "kind": "arxiv",
    "version": 2
  }
}