Pith Number

pith:5KATE7PA

pith:2003:5KATE7PAA6WH5SF762RGH65Y73

not attested not anchored not stored refs pending

Quantum Interference to Measure Spacetime Curvature: A Proposed Experiment at the Intersection of Quantum Mechanics and General Relativity

Achilles D. Speliotopoulos, Raymond Y. Chiao

arxiv:gr-qc/0304027 v2 · 2003-04-06 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KATE7PAA6WH5SF762RGH65Y73}

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	2026-05-18T04:13:37.123892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea81327de007ac7ec8bff6a263fbb8fed103c95aaaa11f9a249ab270e4c0b1c3

Aliases

arxiv: gr-qc/0304027 · arxiv_version: gr-qc/0304027v2 · doi: 10.48550/arxiv.gr-qc/0304027 · pith_short_12: 5KATE7PAA6WH · pith_short_16: 5KATE7PAA6WH5SF7 · pith_short_8: 5KATE7PA

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/5KATE7PAA6WH5SF762RGH65Y73 \
  | 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: ea81327de007ac7ec8bff6a263fbb8fed103c95aaaa11f9a249ab270e4c0b1c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64558a904b7fbda4525a4d89266fed5839dde1070cdd966b7158b699b885d3a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-04-06T03:41:18Z",
    "title_canon_sha256": "bff3b91388ded522ecd6a9296d0c65e74ebf7066a7d028f3c593212a81d7ed42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0304027",
    "kind": "arxiv",
    "version": 2
  }
}