Pith Number

pith:F5FUKCHS

pith:2011:F5FUKCHSAVCALJ2XGMWUVMX22S

not attested not anchored not stored refs pending

Isotope shift and hyperfine splitting of the $4s \rightarrow 5p$ transition in potassium

Alexandra Behrle, Marco Koschorreck, Michael K\"ohl

arxiv:1103.2908 v1 · 2011-03-15 · physics.atom-ph · cond-mat.quant-gas

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5FUKCHSAVCALJ2XGMWUVMX22S}

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	2026-05-18T04:08:13.495927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4b4508f2054405a757332d4ab2fad4a92f9eabfb46be762656a1396b2634b3

Aliases

arxiv: 1103.2908 · arxiv_version: 1103.2908v1 · doi: 10.48550/arxiv.1103.2908 · pith_short_12: F5FUKCHSAVCA · pith_short_16: F5FUKCHSAVCALJ2X · pith_short_8: F5FUKCHS

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/F5FUKCHSAVCALJ2XGMWUVMX22S \
  | 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: 2f4b4508f2054405a757332d4ab2fad4a92f9eabfb46be762656a1396b2634b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a79424daca9ad299f6c5b465cc6da1a2daf31a41ba226d51116f32ec4d2a273c",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-03-15T13:51:14Z",
    "title_canon_sha256": "90d8a09e4489633ea3a20fa3f181df263e8ff22414a07900b203cef798f8568f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2908",
    "kind": "arxiv",
    "version": 1
  }
}