Pith Number

pith:GEHUUHRA

pith:2022:GEHUUHRAZJG3GJTTNQBYQGKDOQ

not attested not anchored not stored refs pending

Experimental Simulation of Loop Quantum Gravity on a Photonic Chip

Dongxue Qu, Hongguang Liu, Jelmer J. Renema, Lior Cohen, Malaquias Correa Anguita, Muxin Han, Peter Hooijschuur, Reinier van der Meer, Zichang Huang

arxiv:2207.00557 v1 · 2022-07-01 · 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{GEHUUHRAZJG3GJTTNQBYQGKDOQ}

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	2026-07-05T06:01:57.783084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

310f4a1e20ca4db326736c03881943741d2af657a48fb3cf99e11b02acbec0ef

Aliases

arxiv: 2207.00557 · arxiv_version: 2207.00557v1 · doi: 10.48550/arxiv.2207.00557 · pith_short_12: GEHUUHRAZJG3 · pith_short_16: GEHUUHRAZJG3GJTT · pith_short_8: GEHUUHRA

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/GEHUUHRAZJG3GJTTNQBYQGKDOQ \
  | 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: 310f4a1e20ca4db326736c03881943741d2af657a48fb3cf99e11b02acbec0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897f7c99956e8c3be068796fa3f08fd8462057782d9b5d1802de5f456ba2f1ac",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-07-01T17:14:30Z",
    "title_canon_sha256": "0cfa1cd73a19b00c83d1177b7282efbe782106a6f885ad1e08f5a7c29166e824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.00557",
    "kind": "arxiv",
    "version": 1
  }
}