Pith Number

pith:OZWJLEA4

pith:2013:OZWJLEA47BY54I6BIHO7GRDMLF

not attested not anchored not stored refs pending

Methyl mercaptan (CH3SH) as a probe for $\mu$ variation

Hendrick L. Bethlem, Isabelle Kleiner, Li-Hong Xu, Paul Jansen, Wim Ubachs

arxiv:1304.5249 v1 · 2013-04-18 · physics.atom-ph · astro-ph.CO · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZWJLEA47BY54I6BIHO7GRDMLF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:21:45.106954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

766c95901cf871de23c141ddf3446c596fbdfd5625b0038e56d582701cd61be2

Aliases

arxiv: 1304.5249 · arxiv_version: 1304.5249v1 · doi: 10.48550/arxiv.1304.5249 · pith_short_12: OZWJLEA47BY5 · pith_short_16: OZWJLEA47BY54I6B · pith_short_8: OZWJLEA4

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/OZWJLEA47BY54I6BIHO7GRDMLF \
  | 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: 766c95901cf871de23c141ddf3446c596fbdfd5625b0038e56d582701cd61be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8431f907907c9870b985979c7b3095cba0979d628904d226efd526240eb3dcea",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-04-18T20:45:16Z",
    "title_canon_sha256": "8861ebe6b38a48280047b9399e7c217544d2f17294e9b133dda6de5b4e63bafe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5249",
    "kind": "arxiv",
    "version": 1
  }
}