Pith Number

pith:J2KC432C

pith:2019:J2KC432CASVASWVZ5EE5ML7SSY

not attested not anchored not stored refs pending

Ultracold homonuclear and heteronuclear collisions in metastable helium

D. G. Cocks, G. Peach, I. B. Whittingham

arxiv:1904.01281 v1 · 2019-04-02 · 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{J2KC432CASVASWVZ5EE5ML7SSY}

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	2026-05-17T23:41:42.546505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e942e6f4204aa095ab9e909d62ff296227780e07cca069bb8a9943d4fe1d8cb

Aliases

arxiv: 1904.01281 · arxiv_version: 1904.01281v1 · doi: 10.48550/arxiv.1904.01281 · pith_short_12: J2KC432CASVA · pith_short_16: J2KC432CASVASWVZ · pith_short_8: J2KC432C

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/J2KC432CASVASWVZ5EE5ML7SSY \
  | 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: 4e942e6f4204aa095ab9e909d62ff296227780e07cca069bb8a9943d4fe1d8cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9a866bf39e5d3aa57f2758cd925b89a5c36d03bc2c951782bccc6e43debad6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-04-02T08:39:30Z",
    "title_canon_sha256": "a104f257dac7700e5b413f120d631a68628cf3cee08ff91b8c5ef6657db1c88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01281",
    "kind": "arxiv",
    "version": 1
  }
}