Pith Number

pith:LQYDITKH

pith:2014:LQYDITKHMD7UOKWSDX4LQLXPTQ

not attested not anchored not stored refs pending

SeD Radical: A probe for measurement of time variation of Fine Structure Constant($\alpha$) and Proton to Electron Mass Ratio($\mu$)

Ankan Paul, Avijit Sen, Gaurab Ganguly, Manas Mukherjee

arxiv:1403.4061 v2 · 2014-03-17 · physics.atom-ph · quant-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{LQYDITKHMD7UOKWSDX4LQLXPTQ}

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	2026-05-18T02:47:33.066928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c30344d4760ff472ad21df8b82eef9c1964208ebf70eeebe71a702cf8a7bfad

Aliases

arxiv: 1403.4061 · arxiv_version: 1403.4061v2 · doi: 10.48550/arxiv.1403.4061 · pith_short_12: LQYDITKHMD7U · pith_short_16: LQYDITKHMD7UOKWS · pith_short_8: LQYDITKH

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/LQYDITKHMD7UOKWSDX4LQLXPTQ \
  | 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: 5c30344d4760ff472ad21df8b82eef9c1964208ebf70eeebe71a702cf8a7bfad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d56967f362a539e7a6c9a1ca29acd9c4061783048ef1e06494d87b633698a81e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-03-17T10:51:47Z",
    "title_canon_sha256": "fd64a1386c230e3d59003ff3d49ede9b678f1c6fcc42c74406e9ee6379d79047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4061",
    "kind": "arxiv",
    "version": 2
  }
}