Pith Number

pith:KIVYBFXH

pith:2019:KIVYBFXHAHUWH6WXN3CWTV3E3G

not attested not anchored not stored refs pending

Information Content of the Gravitational Field of a Quantum Superposition

Alessio Belenchia, Esteban Castro-Ruiz, Flaminia Giacomini, Markus Aspelmeyer, Robert M. Wald, \v{C}aslav Brukner

arxiv:1905.04496 v1 · 2019-05-11 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIVYBFXHAHUWH6WXN3CWTV3E3G}

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.

Cited by

1 paper in Pith

When does entanglement through gravity imply gravitons?

Receipt and verification

First computed	2026-07-05T00:31:49.813009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

522b8096e701e963fad76ec569d764d983d7bb0c694c8767b2c9c716e13c76ab

Aliases

arxiv: 1905.04496 · arxiv_version: 1905.04496v1 · doi: 10.48550/arxiv.1905.04496 · pith_short_12: KIVYBFXHAHUW · pith_short_16: KIVYBFXHAHUWH6WX · pith_short_8: KIVYBFXH

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/KIVYBFXHAHUWH6WXN3CWTV3E3G \
  | 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: 522b8096e701e963fad76ec569d764d983d7bb0c694c8767b2c9c716e13c76ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5681c75b21ce25a9f4508a0f48a96dbca397ebb2577592955743d8d860ab5a19",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-11T10:37:18Z",
    "title_canon_sha256": "b8c1cb99c4f2061d8c2e0538bd8d7d252ce771aaa6100d69aaa196579692bf3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04496",
    "kind": "arxiv",
    "version": 1
  }
}