Pith Number

pith:G33ALT5K

pith:1999:G33ALT5KOUXWJF5DVOGZVS2HKJ

not attested not anchored not stored refs pending

Energetic Quantum Limit in Large-Scale Interferometers

(2) Theoretical Astrophysics, California Institute of Technology), Farid Ya. Khalili (1), Kip S. Thorne (2) ((1) Physics Faculty, Mikhail L. Gorodetsky (1), Moscow State University, Vladimir B. Braginsky (1)

arxiv:gr-qc/9907057 v2 · 1999-07-16 · 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{G33ALT5KOUXWJF5DVOGZVS2HKJ}

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	2026-07-04T16:13:53.229597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36f605cfaa752f6497a3ab8d9acb47525d688febf8979fe9a614898a7a51bc2e

Aliases

arxiv: gr-qc/9907057 · arxiv_version: gr-qc/9907057v2 · doi: 10.48550/arxiv.gr-qc/9907057 · pith_short_12: G33ALT5KOUXW · pith_short_16: G33ALT5KOUXWJF5D · pith_short_8: G33ALT5K

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/G33ALT5KOUXWJF5DVOGZVS2HKJ \
  | 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: 36f605cfaa752f6497a3ab8d9acb47525d688febf8979fe9a614898a7a51bc2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eb46ae3a6598e0feeaa8c1e7c7771adecff2c0761e32f2857584f5a3ff56287",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-07-16T23:54:53Z",
    "title_canon_sha256": "8b4d859925d6d3abb9ad6c1aa93a6570211f903556c327171b7391d0881de052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9907057",
    "kind": "arxiv",
    "version": 2
  }
}