Pith Number

pith:HXZCPNUE

pith:1993:HXZCPNUE6VBJI2GERK5TT44FYW

not attested not anchored not stored refs pending

Spacetime Quantum Mechanics and the Quantum Mechanics of Spacetime

James B. Hartle

arxiv:gr-qc/9304006 v3 · 1993-04-05 · 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{HXZCPNUE6VBJI2GERK5TT44FYW}

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

Singularity Resolution in Quantum Cosmology via Page-Wootters Formalism

Receipt and verification

First computed	2026-05-18T03:02:18.679800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df227b684f5429468c48abb39f385c59305fa2daeb18c584c9066df8107cbec

Aliases

arxiv: gr-qc/9304006 · arxiv_version: gr-qc/9304006v3 · doi: 10.48550/arxiv.gr-qc/9304006 · pith_short_12: HXZCPNUE6VBJ · pith_short_16: HXZCPNUE6VBJI2GE · pith_short_8: HXZCPNUE

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/HXZCPNUE6VBJI2GERK5TT44FYW \
  | 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: 3df227b684f5429468c48abb39f385c59305fa2daeb18c584c9066df8107cbec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2abc1ae8ee1ec450a283dcc405b62614c9f47a36c8bf7acf25cbc64185ed4af",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-04-05T23:43:51Z",
    "title_canon_sha256": "36fb0ce4efaa36eb0e05aaf60d3e92cafe3b851464b4865f4d1ea642f724c20d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9304006",
    "kind": "arxiv",
    "version": 3
  }
}