pith. sign in
Pith Number

pith:RDK42J2T

pith:2011:RDK42J2TYUYZP6G6V2MISGTQ4K
not attested not anchored not stored refs pending

Methanol as a tracer of fundamental constants

D. Reimers, M. G. Kozlov, S. A. Levshakov

arxiv:1106.1569 v1 · 2011-06-08 · astro-ph.CO · physics.atom-ph · physics.chem-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RDK42J2TYUYZP6G6V2MISGTQ4K}

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 2026-05-18T03:21:21.761441Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

88d5cd2753c53197f8deae98891a70e284b235613759b6867095d178fe975685

Aliases

arxiv: 1106.1569 · arxiv_version: 1106.1569v1 · doi: 10.48550/arxiv.1106.1569 · pith_short_12: RDK42J2TYUYZ · pith_short_16: RDK42J2TYUYZP6G6 · pith_short_8: RDK42J2T
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RDK42J2TYUYZP6G6V2MISGTQ4K \
  | 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: 88d5cd2753c53197f8deae98891a70e284b235613759b6867095d178fe975685
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e69732b0159940f2844277eb84aecac0b1daaca38017cc2b91598cc04de459bc",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-08T14:26:32Z",
    "title_canon_sha256": "3ce6002e2d1a351539c0c6b057d4f42e913042adc7274bb4f710682db85d22cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1569",
    "kind": "arxiv",
    "version": 1
  }
}