Pith Number

pith:FO424ROF

pith:2002:FO424ROFCIJ5GAEQCIJWYL666U

not attested not anchored not stored refs pending

Ultracold collisions in tight harmonic traps: Quantum defect model and application to metastable helium atoms

Gillian Peach, Ian B Whittingham, Timothy J Beams

arxiv:physics/0212003 v2 · 2002-12-02 · 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{FO424ROFCIJ5GAEQCIJWYL666U}

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	2026-05-18T03:24:21.034549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb9ae45c51213d3009012136c2fdef52172090bb4b6e389a66a7cf1410bf627

Aliases

arxiv: physics/0212003 · arxiv_version: physics/0212003v2 · doi: 10.48550/arxiv.physics/0212003 · pith_short_12: FO424ROFCIJ5 · pith_short_16: FO424ROFCIJ5GAEQ · pith_short_8: FO424ROF

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/FO424ROFCIJ5GAEQCIJWYL666U \
  | 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: 2bb9ae45c51213d3009012136c2fdef52172090bb4b6e389a66a7cf1410bf627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dc4a84c95d758301cb1b4527c81430a797442943b9bf96bc3f062b467e679c2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2002-12-02T01:28:27Z",
    "title_canon_sha256": "4dc48e8b56e63713b991725fae248ddbe0e958ae395f2201584c5b521ad6ca65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0212003",
    "kind": "arxiv",
    "version": 2
  }
}