Pith Number

pith:EFLUZKH6

pith:2010:EFLUZKH6KDXZLMEEWUQ7VGJVOA

not attested not anchored not stored refs pending

Atomic transition frequencies, isotope shifts, and sensitivity to variation of the fine structure constant for studies of quasar absorption spectra

J. A. King, J. C. Berengut, J. K. Webb, M. G. Kozlov, M. T. Murphy, V. A. Dzuba, V. V. Flambaum

arxiv:1011.4136 v1 · 2010-11-18 · astro-ph.CO · 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{EFLUZKH6KDXZLMEEWUQ7VGJVOA}

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	2026-05-18T02:04:44.106138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21574ca8fe50ef95b084b521fa99357035333d9de37e7d0da7204d7354190b1f

Aliases

arxiv: 1011.4136 · arxiv_version: 1011.4136v1 · doi: 10.48550/arxiv.1011.4136 · pith_short_12: EFLUZKH6KDXZ · pith_short_16: EFLUZKH6KDXZLMEE · pith_short_8: EFLUZKH6

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/EFLUZKH6KDXZLMEEWUQ7VGJVOA \
  | 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: 21574ca8fe50ef95b084b521fa99357035333d9de37e7d0da7204d7354190b1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95540749fcd1c2705389acbe118af796b0ee44f7aa9ae1588e250ac8ab2f03c",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-18T04:51:23Z",
    "title_canon_sha256": "59fba38e17835c5d18d4a531ad51fc3597716d984a99f8a11aace18b684a3fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4136",
    "kind": "arxiv",
    "version": 1
  }
}