Pith Number

pith:D7GC7WW5

pith:2011:D7GC7WW5VGAFKM3IYZP7F33EWG

not attested not anchored not stored refs pending

Fine Structure Constant, Domain Walls, and Generalized Uncertainty Principle in the Universe

Luigi Tedesco

arxiv:1106.3436 v1 · 2011-06-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7GC7WW5VGAFKM3IYZP7F33EWG}

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	2026-05-18T04:19:52.759882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fcc2fdadda980553368c65ff2ef64b19930e4bf4ee13e2bc272dfe8d949a2fb

Aliases

arxiv: 1106.3436 · arxiv_version: 1106.3436v1 · doi: 10.48550/arxiv.1106.3436 · pith_short_12: D7GC7WW5VGAF · pith_short_16: D7GC7WW5VGAFKM3I · pith_short_8: D7GC7WW5

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/D7GC7WW5VGAFKM3IYZP7F33EWG \
  | 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: 1fcc2fdadda980553368c65ff2ef64b19930e4bf4ee13e2bc272dfe8d949a2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b018a96b4574da00872e145b0624eb12a92c8920471bc8f4e8ad1fead7d2ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-17T10:25:47Z",
    "title_canon_sha256": "37d756a64240a0b1f1c6cc15bef08bfde6e1a907973a9a6cb42fe99b62aaafb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3436",
    "kind": "arxiv",
    "version": 1
  }
}