Pith Number

pith:TYWN4BMN

pith:2013:TYWN4BMNWWDK2DVJOCFPA6NAXX

not attested not anchored not stored refs pending

A simplified 461-nm laser system using blue laser diodes and a hollow cathode lamp for laser cooling of Sr

Nozomi Ohtsubo, Takatoshi Aoki, Yoshio Torii, Yosuke Shimada, Yuko Chida

arxiv:1303.1325 v1 · 2013-03-06 · 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{TYWN4BMNWWDK2DVJOCFPA6NAXX}

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	2026-05-18T03:21:33.397871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e2cde058db586ad0ea9708af079a0bdcff2e9aa2cd5dfe47306f8c1a0b52edc

Aliases

arxiv: 1303.1325 · arxiv_version: 1303.1325v1 · doi: 10.48550/arxiv.1303.1325 · pith_short_12: TYWN4BMNWWDK · pith_short_16: TYWN4BMNWWDK2DVJ · pith_short_8: TYWN4BMN

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/TYWN4BMNWWDK2DVJOCFPA6NAXX \
  | 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: 9e2cde058db586ad0ea9708af079a0bdcff2e9aa2cd5dfe47306f8c1a0b52edc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6cd20ae500367995c7bd86ddd345479f9ecb2bdccf7ffbf092029e2eeeb046d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-03-06T13:07:03Z",
    "title_canon_sha256": "d7f6db68fd89f4fba5327f7816c7b474e7a8b8a6c4d5a9dd63c6fc4592aad221"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1325",
    "kind": "arxiv",
    "version": 1
  }
}