Pith Number

pith:DW2DOBGP

pith:2005:DW2DOBGPLO4HWPMIQ4XUGCRAKE

not attested not anchored not stored refs pending

Probability Theories with Dynamic Causal Structure: A New Framework for Quantum Gravity

Lucien Hardy

arxiv:gr-qc/0509120 v1 · 2005-09-29 · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DW2DOBGPLO4HWPMIQ4XUGCRAKE}

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	2026-05-18T01:06:45.387873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1db43704cf5bb87b3d88872f430a20510dbbbd3c116ec2b1071ec7a8a5b79c2b

Aliases

arxiv: gr-qc/0509120 · arxiv_version: gr-qc/0509120v1 · doi: 10.48550/arxiv.gr-qc/0509120 · pith_short_12: DW2DOBGPLO4H · pith_short_16: DW2DOBGPLO4HWPMI · pith_short_8: DW2DOBGP

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/DW2DOBGPLO4HWPMIQ4XUGCRAKE \
  | 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: 1db43704cf5bb87b3d88872f430a20510dbbbd3c116ec2b1071ec7a8a5b79c2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28eee3d98e627cfd00b63e0532d34d13163f5c9f253dd322f899fc4c7ac33ee8",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-09-29T18:25:51Z",
    "title_canon_sha256": "e2694c8e4b404357fdbe9a5a14515b2998c0e7e83df1cbc157fe5b47c217366f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0509120",
    "kind": "arxiv",
    "version": 1
  }
}