Pith Number

pith:MQDQ65LK

pith:2015:MQDQ65LKGQRVSOHPLOBDAE3FN2

not attested not anchored not stored refs pending

Actinide ions for testing the spatial $\alpha-$variation hypothesis

M. S. Safronova, U. I. Safronova, V. A. Dzuba, V. V. Flambaum

arxiv:1508.07681 v1 · 2015-08-31 · 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{MQDQ65LKGQRVSOHPLOBDAE3FN2}

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	2026-05-18T01:22:36.610972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64070f756a34235938ef5b823013656e92f891c6b54b18aee16522d4ba56b1c4

Aliases

arxiv: 1508.07681 · arxiv_version: 1508.07681v1 · doi: 10.48550/arxiv.1508.07681 · pith_short_12: MQDQ65LKGQRV · pith_short_16: MQDQ65LKGQRVSOHP · pith_short_8: MQDQ65LK

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/MQDQ65LKGQRVSOHPLOBDAE3FN2 \
  | 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: 64070f756a34235938ef5b823013656e92f891c6b54b18aee16522d4ba56b1c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7fbf814b133e4b7efee2e3424e9aeadaee818727d4a6a473dfbcdd9f8b26893",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-08-31T04:19:06Z",
    "title_canon_sha256": "3f87edad3bbd2819af111301227d48df4bcfd4f57dad17eed602e515af6c3985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07681",
    "kind": "arxiv",
    "version": 1
  }
}