Pith Number

pith:7M3AMDHH

pith:2015:7M3AMDHHW6G4G5WTNNGWIH6SHA

not attested not anchored not stored refs pending

Broadband, unpolarized repumping and clearout light sources for Sr$^+$ single-ion clocks

A.A. Madej, A.E. Wallin, M. Merimaa, P. Dub\'e, T. Fordell, T. Lindvall

arxiv:1504.04443 v1 · 2015-04-17 · 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{7M3AMDHHW6G4G5WTNNGWIH6SHA}

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	2026-05-18T02:18:32.362020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb36060ce7b78dc376d36b4d641fd238192113f522e4e1f90a5486d66b62f10f

Aliases

arxiv: 1504.04443 · arxiv_version: 1504.04443v1 · doi: 10.48550/arxiv.1504.04443 · pith_short_12: 7M3AMDHHW6G4 · pith_short_16: 7M3AMDHHW6G4G5WT · pith_short_8: 7M3AMDHH

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/7M3AMDHHW6G4G5WTNNGWIH6SHA \
  | 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: fb36060ce7b78dc376d36b4d641fd238192113f522e4e1f90a5486d66b62f10f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0172af427787fa7ac2fd68103482164213d88fe7bb5f966c83a23555915b0eec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-04-17T05:30:24Z",
    "title_canon_sha256": "c21819cafad1654215b84ec1683f976ef16262ac9131ad0eb82214d69ffaa124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04443",
    "kind": "arxiv",
    "version": 1
  }
}