pith. sign in
Pith Number

pith:ON26IWJN

pith:2017:ON26IWJNXLXIXRSDZBCPS63LLX
not attested not anchored not stored refs pending

Fine-structure transitions as a tool for studying variation of alpha at high redshifts

M. G. Kozlov, S. A. Levshakov

arxiv:1703.10149 v1 · 2017-03-29 · astro-ph.CO · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ON26IWJNXLXIXRSDZBCPS63LLX}

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 2026-05-18T00:44:51.263017Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7375e4592dbaee8bc643c844f97b6b5def9b02f808c0036f3969d866bec9efff

Aliases

arxiv: 1703.10149 · arxiv_version: 1703.10149v1 · doi: 10.48550/arxiv.1703.10149 · pith_short_12: ON26IWJNXLXI · pith_short_16: ON26IWJNXLXIXRSD · pith_short_8: ON26IWJN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ON26IWJNXLXIXRSDZBCPS63LLX \
  | 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: 7375e4592dbaee8bc643c844f97b6b5def9b02f808c0036f3969d866bec9efff
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1bb6074dababfb8f018a47ce36e50b1953f64e68979ca8af8fef85cdd4f8b2df",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-29T17:27:17Z",
    "title_canon_sha256": "fe5ecbddbf01a659acb44848dd826b8603b5b2a0cffebdf9d9bfb8c15b93eab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10149",
    "kind": "arxiv",
    "version": 1
  }
}