Pith Number

pith:KQFN3GPH

pith:2011:KQFN3GPHVX4GQ7GDZQY26ITOBT

not attested not anchored not stored refs pending

$f(T)$ Theories and Varying Fine Structure Constant

Hao Wei, Hao-Yu Qi, Xiao-Peng Ma

arxiv:1106.0102 v3 · 2011-06-01 · gr-qc · astro-ph.CO · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQFN3GPHVX4GQ7GDZQY26ITOBT}

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	2026-05-18T04:14:47.124452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

540add99e7adf8687cc3cc31af226e0cc0600b4b962a427627e055a87268cb76

Aliases

arxiv: 1106.0102 · arxiv_version: 1106.0102v3 · doi: 10.48550/arxiv.1106.0102 · pith_short_12: KQFN3GPHVX4G · pith_short_16: KQFN3GPHVX4GQ7GD · pith_short_8: KQFN3GPH

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/KQFN3GPHVX4GQ7GDZQY26ITOBT \
  | 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: 540add99e7adf8687cc3cc31af226e0cc0600b4b962a427627e055a87268cb76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4218b0c2fcdcfa112c7abeeed63798eac9ca2137bd75a3267f9d9496f67f5b25",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-01T06:41:00Z",
    "title_canon_sha256": "d19a435da22c435d896ffe64a38b5fe0fbed2ffa382d7c8621d0ece1b4e71c81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0102",
    "kind": "arxiv",
    "version": 3
  }
}