Pith Number

pith:46IN2QW7

pith:2026:46IN2QW74VIIIV5BQVBLV46QOG

not attested not anchored not stored refs pending

Solving Einstein Field Equations on a Digital Quantum Computer

Clelia Altomonte, Malcolm Fairbairn

arxiv:2606.20975 v1 · 2026-06-18 · 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{46IN2QW74VIIIV5BQVBLV46QOG}

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	2026-06-23T01:12:23.918684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e790dd42dfe5508457a18542baf3d071b32f40022b0018c807f1b460ab5512d5

Aliases

arxiv: 2606.20975 · arxiv_version: 2606.20975v1 · doi: 10.48550/arxiv.2606.20975 · pith_short_12: 46IN2QW74VII · pith_short_16: 46IN2QW74VIIIV5B · pith_short_8: 46IN2QW7

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/46IN2QW74VIIIV5BQVBLV46QOG \
  | 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: e790dd42dfe5508457a18542baf3d071b32f40022b0018c807f1b460ab5512d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9082dfd7b71ab349eaa02e57f77b628ab96b254e521ef37980b7a0bcf1ee437",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-18T22:44:08Z",
    "title_canon_sha256": "e0491c1cd3ffcabad34fc2345eb9c12ecb1db097c9eaa93d1c9f77839c9f2c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20975",
    "kind": "arxiv",
    "version": 1
  }
}