Pith Number

pith:JQJD2KHZ

pith:2000:JQJD2KHZTMLO2OBOYP6JMELONO

not attested not anchored not stored refs pending

Precision Measurement of the Lifetime of the 3d D_{5/2} state in 40Ca+

A. M. Steane, C. J. S. Donald, D. A. Stevens, D. M. Lucas, D. N. Stacey, P. A. Barton

arxiv:physics/0002026 v1 · 2000-02-15 · 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{JQJD2KHZTMLO2OBOYP6JMELONO}

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	2026-07-04T16:22:10.681046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c123d28f99b16ed382ec3fc96116e6b83c9dba8cced87f4ce02c25da62a2c16

Aliases

arxiv: physics/0002026 · arxiv_version: physics/0002026v1 · doi: 10.48550/arxiv.physics/0002026 · pith_short_12: JQJD2KHZTMLO · pith_short_16: JQJD2KHZTMLO2OBO · pith_short_8: JQJD2KHZ

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/JQJD2KHZTMLO2OBOYP6JMELONO \
  | 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: 4c123d28f99b16ed382ec3fc96116e6b83c9dba8cced87f4ce02c25da62a2c16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3339ea0e8a02dcb52794f61b28dd01bf4c7adf413b10fdf12d39266077a38184",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2000-02-15T19:27:58Z",
    "title_canon_sha256": "fc1123608b25f3893e1f7f26b8e13aaad43b113da891913474bb22aeba725d2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0002026",
    "kind": "arxiv",
    "version": 1
  }
}