Pith Number

pith:J4TZX2MN

pith:2018:J4TZX2MNG2IOHEEJ5BWQNBEYFK

not attested not anchored not stored refs pending

Model-independent measurements of the sodium magneto-optical trap's excited-state population

D. S. Goodman, F. A. Narducci, J. E. Wells, J. M. Kwolek, S. A. Entner, W. W. Smith

arxiv:1802.05306 v2 · 2018-02-14 · 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{J4TZX2MNG2IOHEEJ5BWQNBEYFK}

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	2026-05-18T00:14:08.522150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f279be98d3690e39089e86d0684982aa38373c6b3b34a549c5b81156432bbe9

Aliases

arxiv: 1802.05306 · arxiv_version: 1802.05306v2 · doi: 10.48550/arxiv.1802.05306 · pith_short_12: J4TZX2MNG2IO · pith_short_16: J4TZX2MNG2IOHEEJ · pith_short_8: J4TZX2MN

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/J4TZX2MNG2IOHEEJ5BWQNBEYFK \
  | 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: 4f279be98d3690e39089e86d0684982aa38373c6b3b34a549c5b81156432bbe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319552af8b9a13ccd9525ddd9095028c9461f516d963178ab5ad33c33f54cedc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-02-14T20:09:47Z",
    "title_canon_sha256": "195d142bf2b3fddb13b63f522186b3548e286210e9d6e0038e63072c17ccff19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05306",
    "kind": "arxiv",
    "version": 2
  }
}