Pith Number

pith:JXO5ZV3S

pith:2013:JXO5ZV3SSA6DKOSR6EI7Q6RCOA

not attested not anchored not stored refs pending

Perspective: Tipping the scales - search for drifting constants from molecular spectra

Hendrick L. Bethlem, Paul Jansen, Wim Ubachs

arxiv:1312.1875 v1 · 2013-12-06 · physics.chem-ph · 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{JXO5ZV3SSA6DKOSR6EI7Q6RCOA}

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	2026-05-18T01:45:57.852090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ddddcd772903c353a51f111f87a227025a3c4bef0eb03ca18866fba46d135b7

Aliases

arxiv: 1312.1875 · arxiv_version: 1312.1875v1 · doi: 10.48550/arxiv.1312.1875 · pith_short_12: JXO5ZV3SSA6D · pith_short_16: JXO5ZV3SSA6DKOSR · pith_short_8: JXO5ZV3S

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/JXO5ZV3SSA6DKOSR6EI7Q6RCOA \
  | 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: 4ddddcd772903c353a51f111f87a227025a3c4bef0eb03ca18866fba46d135b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8077c3804324900c18e2680291a99e835b9d8f07aadb943ff0d8b19cc9d60795",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-12-06T14:53:29Z",
    "title_canon_sha256": "51c0fdd5c27c82a95915c301c9fe2a048efec9fad891de04a4c1307934ef9c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1875",
    "kind": "arxiv",
    "version": 1
  }
}