Pith Number

pith:YKQXTDUE

pith:2019:YKQXTDUEMC2CDVCYOBBT45HRRN

not attested not anchored not stored refs pending

Isotope-shift spectroscopy of the ${^1}S_0 \rightarrow {^3}P_1$ and ${^1}S_0 \rightarrow {^3}P_0$ transitions in strontium

Ananya Sitaram, Gretchen K. Campbell, Hirokazu Miyake, Neal C. Pisenti, Peter K. Elgee

arxiv:1907.06746 v2 · 2019-07-15 · 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{YKQXTDUEMC2CDVCYOBBT45HRRN}

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	2026-07-05T00:20:31.547728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a1798e8460b421d45870433e74f18b639d0068365fa39c0a4fd9fae98b2f4d

Aliases

arxiv: 1907.06746 · arxiv_version: 1907.06746v2 · doi: 10.48550/arxiv.1907.06746 · pith_short_12: YKQXTDUEMC2C · pith_short_16: YKQXTDUEMC2CDVCY · pith_short_8: YKQXTDUE

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/YKQXTDUEMC2CDVCYOBBT45HRRN \
  | 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: c2a1798e8460b421d45870433e74f18b639d0068365fa39c0a4fd9fae98b2f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eb1f0cac26768e1a9a991d7b69b81e941b1ee9cd2e75b8f00231d1d88cb01d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-07-15T20:45:32Z",
    "title_canon_sha256": "0d8c55c7b0149f449f37f6b9630520d69c6a718f61841fbcc9c204247b1e132f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06746",
    "kind": "arxiv",
    "version": 2
  }
}