Pith Number

pith:5UL6Y4T3

pith:2013:5UL6Y4T3GSIYIBKMDO2EO5LFQK

not attested not anchored not stored refs pending

Measurement of Quantum Geometry Using Laser Interferometry

Craig Hogan

arxiv:1307.4676 v1 · 2013-07-09 · gr-qc · quant-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{5UL6Y4T3GSIYIBKMDO2EO5LFQK}

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	2026-05-18T03:18:17.363812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed17ec727b349184054c1bb447756582affa5f8d0229904b9ebe6b68b4d94050

Aliases

arxiv: 1307.4676 · arxiv_version: 1307.4676v1 · doi: 10.48550/arxiv.1307.4676 · pith_short_12: 5UL6Y4T3GSIY · pith_short_16: 5UL6Y4T3GSIYIBKM · pith_short_8: 5UL6Y4T3

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/5UL6Y4T3GSIYIBKMDO2EO5LFQK \
  | 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: ed17ec727b349184054c1bb447756582affa5f8d0229904b9ebe6b68b4d94050

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b30303941da08eed56b899279668ba5a964629f72c5422afa42cf6285735888a",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-09T20:24:10Z",
    "title_canon_sha256": "de2650ba1b6c12df872f8f463e6a35ad5bec83d4ba56ea3ac6193915a9097e2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4676",
    "kind": "arxiv",
    "version": 1
  }
}