Pith Number

pith:7FAW3TX2

pith:2019:7FAW3TX24JPCGDCQR2MJRI4MTT

not attested not anchored not stored refs pending

Testing the gravitational field generated by a quantum superposition

Angelo Bassi, Hendrik Ulbricht, Matteo Carlesso, Mauro Paternostro

arxiv:1906.04513 v1 · 2019-06-11 · quant-ph · 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{7FAW3TX24JPCGDCQR2MJRI4MTT}

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	2026-07-05T00:06:46.068388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9416dcefae25e230c508e9898a38c9cf0bd7961862c1256decbd9944bbd1cb5

Aliases

arxiv: 1906.04513 · arxiv_version: 1906.04513v1 · doi: 10.48550/arxiv.1906.04513 · pith_short_12: 7FAW3TX24JPC · pith_short_16: 7FAW3TX24JPCGDCQ · pith_short_8: 7FAW3TX2

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/7FAW3TX24JPCGDCQR2MJRI4MTT \
  | 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: f9416dcefae25e230c508e9898a38c9cf0bd7961862c1256decbd9944bbd1cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6031d242789d42e2ff51c24db1e204aa0d043c44e3a6ec3c508dccc6a4c426d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-11T12:10:37Z",
    "title_canon_sha256": "ed66c7abf3892e42fa72742b2c04c6f670327712f78f0eaa17cacd039e92a9f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04513",
    "kind": "arxiv",
    "version": 1
  }
}