Pith Number

pith:MLUOTCUS

pith:2001:MLUOTCUSEQFXNSPGME2QFSBTT2

not attested not anchored not stored refs pending

The Cosmological Evolution of the Nucleon Mass and the Electroweak Coupling Constants

Harald Fritzsch, Xavier Calmet

arxiv:hep-ph/0112110 v4 · 2001-12-07 · hep-ph · astro-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{MLUOTCUSEQFXNSPGME2QFSBTT2}

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	2026-05-18T04:13:26.139653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62e8e98a92240b76c9e6613502c8339ea92bd2d8a7de82cd2aea11bc626785be

Aliases

arxiv: hep-ph/0112110 · arxiv_version: hep-ph/0112110v4 · doi: 10.48550/arxiv.hep-ph/0112110 · pith_short_12: MLUOTCUSEQFX · pith_short_16: MLUOTCUSEQFXNSPG · pith_short_8: MLUOTCUS

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/MLUOTCUSEQFXNSPGME2QFSBTT2 \
  | 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: 62e8e98a92240b76c9e6613502c8339ea92bd2d8a7de82cd2aea11bc626785be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "992d376943edb7997ab29a86eeef31f737295634d34af8b21d7afe8602a5bf22",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2001-12-07T14:06:15Z",
    "title_canon_sha256": "e28ab42d42d935f134d710e5bf09bc2b36e698be975a6b3568261189b66328e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0112110",
    "kind": "arxiv",
    "version": 4
  }
}