Pith Number

pith:L3XVWAOP

pith:2008:L3XVWAOPWOVO2I3XH7P6AIUKE5

not attested not anchored not stored refs pending

Atomic Clocks and Coherent Population Trapping: Experiments for Undergraduate Laboratories

Eugeniy E. Mikhailov, Irina Novikova, Nathan Belcher

arxiv:0810.2071 v2 · 2008-10-12 · physics.ed-ph · 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{L3XVWAOPWOVO2I3XH7P6AIUKE5}

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	2026-05-18T04:40:10.588823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eef5b01cfb3aaed23773fdfe0228a277861e91c226940726b4d115451d18908

Aliases

arxiv: 0810.2071 · arxiv_version: 0810.2071v2 · doi: 10.48550/arxiv.0810.2071 · pith_short_12: L3XVWAOPWOVO · pith_short_16: L3XVWAOPWOVO2I3X · pith_short_8: L3XVWAOP

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/L3XVWAOPWOVO2I3XH7P6AIUKE5 \
  | 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: 5eef5b01cfb3aaed23773fdfe0228a277861e91c226940726b4d115451d18908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1db8576ad2da7d83f63c4decfe1a61770043134fb229981465cc715cd03463a",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2008-10-12T04:24:04Z",
    "title_canon_sha256": "fa2b96b3035e77e61697605d49d6fae36e3a79e183da035fd118867240e4263c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2071",
    "kind": "arxiv",
    "version": 2
  }
}