Pith Number

pith:3SHV3YNI

pith:2011:3SHV3YNI57UYUN2HSNATTUMEZM

not attested not anchored not stored refs pending

Fine structure constant variation or spacetime anisotropy?

Sai Wang, Xin Li, Zhe Chang

arxiv:1106.2726 v3 · 2011-06-14 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SHV3YNI57UYUN2HSNATTUMEZM}

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	2026-05-18T04:02:25.174940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8f5de1a8efe98a3747934139d184cb25e1f09c717a7aef4b9558b91faa20c1

Aliases

arxiv: 1106.2726 · arxiv_version: 1106.2726v3 · doi: 10.48550/arxiv.1106.2726 · pith_short_12: 3SHV3YNI57UY · pith_short_16: 3SHV3YNI57UYUN2H · pith_short_8: 3SHV3YNI

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/3SHV3YNI57UYUN2HSNATTUMEZM \
  | 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: dc8f5de1a8efe98a3747934139d184cb25e1f09c717a7aef4b9558b91faa20c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa3b37187d4f4c870bd94bdf319020faf48753263ed006ba1151db7a0d48a96",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-14T14:40:09Z",
    "title_canon_sha256": "cb6c68ee57b346030b77e5d28a20650d937136df13182af6cb54e1467c6333c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2726",
    "kind": "arxiv",
    "version": 3
  }
}