pith. sign in
Pith Number

pith:JBLJU6MY

pith:2017:JBLJU6MYX3FVG5E3HIILDWJ5ZE
not attested not anchored not stored refs pending

Stability of fundamental couplings: a global analysis

A. M. M. Pinho, C. J. A. P. Martins

arxiv:1701.08724 v1 · 2017-01-30 · astro-ph.CO · gr-qc · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JBLJU6MYX3FVG5E3HIILDWJ5ZE}

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 2026-05-18T00:51:52.851675Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

48569a7998becb53749b3a10b1d93dc92c783de14d4d130ca4b8b50097de9b37

Aliases

arxiv: 1701.08724 · arxiv_version: 1701.08724v1 · doi: 10.48550/arxiv.1701.08724 · pith_short_12: JBLJU6MYX3FV · pith_short_16: JBLJU6MYX3FVG5E3 · pith_short_8: JBLJU6MY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JBLJU6MYX3FVG5E3HIILDWJ5ZE \
  | 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: 48569a7998becb53749b3a10b1d93dc92c783de14d4d130ca4b8b50097de9b37
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d4af8fedf077b1ba56caf12475d6933112c7eceec65b82681af971c94558c4d6",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-01-30T17:45:45Z",
    "title_canon_sha256": "b8d8de8d59d5bd14b55eaeec419827cb28a742513b4f6ed55481ad6c2c151581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08724",
    "kind": "arxiv",
    "version": 1
  }
}