Pith Number

pith:2NMECEDO

pith:2013:2NMECEDOVB442MIME6N2TZWDEK

not attested not anchored not stored refs pending

Hyperfine frequencies of 87Rb and 133Cs atoms in Xe gas

B. H. McGuyer, T. Xia, W. Happer

arxiv:1302.4162 v1 · 2013-02-18 · 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{2NMECEDOVB442MIME6N2TZWDEK}

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	2026-05-18T03:33:23.955871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd

Aliases

arxiv: 1302.4162 · arxiv_version: 1302.4162v1 · doi: 10.48550/arxiv.1302.4162 · pith_short_12: 2NMECEDOVB44 · pith_short_16: 2NMECEDOVB442MIM · pith_short_8: 2NMECEDO

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/2NMECEDOVB442MIME6N2TZWDEK \
  | 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: d35841106ea879cd310c279ba9e6c322acd84f499c5ba1a1650ca216625d86bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b683691fdde4216afa240225728b35a65ebe083e8172206707129e8194708857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-02-18T05:34:01Z",
    "title_canon_sha256": "83f57ee0276438e5ca17f077e19275c14b6281012dcb32f89636fcab74e268e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4162",
    "kind": "arxiv",
    "version": 1
  }
}