Pith Number

pith:MA6FVH2F

pith:2013:MA6FVH2FN4P6WSKNPAZXGGTITW

not attested not anchored not stored refs pending

Trapping of 85Rb atoms by optical pumping between metastable hyperfine states

Nathan Cooper, Tim Freegarde

arxiv:1304.7980 v4 · 2013-04-30 · 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{MA6FVH2FN4P6WSKNPAZXGGTITW}

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	2026-05-18T01:50:14.140362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603c5a9f456f1feb494d7833731a689d8ada2435aedbc0966f661d59d9183c6f

Aliases

arxiv: 1304.7980 · arxiv_version: 1304.7980v4 · doi: 10.48550/arxiv.1304.7980 · pith_short_12: MA6FVH2FN4P6 · pith_short_16: MA6FVH2FN4P6WSKN · pith_short_8: MA6FVH2F

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/MA6FVH2FN4P6WSKNPAZXGGTITW \
  | 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: 603c5a9f456f1feb494d7833731a689d8ada2435aedbc0966f661d59d9183c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74435c7deb573f130fb522f790f8c19b3b681b33f2d056f3bb4c58e6125a9b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-04-30T13:05:50Z",
    "title_canon_sha256": "b16b97f93e15fe5f18ea7a21e3673b30a4bd705063f7415761dfa256ee71fdaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7980",
    "kind": "arxiv",
    "version": 4
  }
}