Pith Number

pith:A4K3NJT2

pith:2013:A4K3NJT2IL65XQHJLJD7QWIAG5

not attested not anchored not stored refs pending

Inelastic collisions of optically trapped metastable calcium atoms

Andreas Hemmerich, Hannes Winter, Purbasha Halder

arxiv:1311.4352 v1 · 2013-11-18 · 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{A4K3NJT2IL65XQHJLJD7QWIAG5}

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	2026-05-18T01:46:23.699285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0715b6a67a42fddbc0e95a47f85900374941038c4d4e2cbad3819254df88f6d9

Aliases

arxiv: 1311.4352 · arxiv_version: 1311.4352v1 · doi: 10.48550/arxiv.1311.4352 · pith_short_12: A4K3NJT2IL65 · pith_short_16: A4K3NJT2IL65XQHJ · pith_short_8: A4K3NJT2

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/A4K3NJT2IL65XQHJLJD7QWIAG5 \
  | 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: 0715b6a67a42fddbc0e95a47f85900374941038c4d4e2cbad3819254df88f6d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e8e26f17f26d79c4f8f66829de77a424a5e631672556710105f3ff65fc25b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-11-18T12:08:09Z",
    "title_canon_sha256": "7aa71b4612a86b7bf266488e76f6d3b9180d76a9141bfcc42752d2d15b589b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4352",
    "kind": "arxiv",
    "version": 1
  }
}