Pith Number

pith:3C2R5CSZ

pith:2011:3C2R5CSZ6RGSQJLPP3YDN2KPBZ

not attested not anchored not stored refs pending

A reliable cw Lyman-$\alpha$ laser source for future cooling of antihydrogen

A. Beczkowiak, A. Koglbauer, D. Kolbe, J. Walz, M. Sattler, M. Stappel, R. Steinborn, T. Diehl

arxiv:1106.1050 v1 · 2011-06-06 · physics.optics · 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{3C2R5CSZ6RGSQJLPP3YDN2KPBZ}

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	2026-05-18T03:48:35.637590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b51e8a59f44d28256f7ef036e94f0e487a4edaf86ff5fdffb8729da032f6ca

Aliases

arxiv: 1106.1050 · arxiv_version: 1106.1050v1 · doi: 10.48550/arxiv.1106.1050 · pith_short_12: 3C2R5CSZ6RGS · pith_short_16: 3C2R5CSZ6RGSQJLP · pith_short_8: 3C2R5CSZ

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/3C2R5CSZ6RGSQJLPP3YDN2KPBZ \
  | 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: d8b51e8a59f44d28256f7ef036e94f0e487a4edaf86ff5fdffb8729da032f6ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76acab4aa46c0428d51e650d051829805609b5734d683571e776ff0c11d96a9a",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-06-06T12:51:29Z",
    "title_canon_sha256": "093b4087cbd67418799e3beaee411ddd738698e2749427f468482b2d68a0b313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1050",
    "kind": "arxiv",
    "version": 1
  }
}