Pith Number

pith:MCAQBJWX

pith:1994:MCAQBJWXAOPJ7ZPIXJGEH23ORV

not attested not anchored not stored refs pending

Almost Ideal Clocks in Quantum Cosmology: A Brief Derivation of Time

Donald Marolf

arxiv:gr-qc/9412016 v1 · 1994-12-06 · 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{MCAQBJWXAOPJ7ZPIXJGEH23ORV}

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

2 papers in Pith

Smooth horizons from topology change in canonical quantum gravity

Implication of dressed form of relational observable on von Neumann algebra

Receipt and verification

First computed	2026-07-04T15:56:56.465849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

608100a6d7039e9fe5e8ba4c43eb6e8d4d05508379c79ae09e9146baabf30cfd

Aliases

arxiv: gr-qc/9412016 · arxiv_version: gr-qc/9412016v1 · doi: 10.48550/arxiv.gr-qc/9412016 · pith_short_12: MCAQBJWXAOPJ · pith_short_16: MCAQBJWXAOPJ7ZPI · pith_short_8: MCAQBJWX

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/MCAQBJWXAOPJ7ZPIXJGEH23ORV \
  | 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: 608100a6d7039e9fe5e8ba4c43eb6e8d4d05508379c79ae09e9146baabf30cfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fee522e7bf422800d80e9cc1ce7b439663c12c2e7c18f891e6b7fc664ae2d094",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-12-06T01:32:43Z",
    "title_canon_sha256": "385914f5eb0418bf97bb13282d696661461ec8908391e1b26bfd34847ee0402d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9412016",
    "kind": "arxiv",
    "version": 1
  }
}