Pith Number

pith:VZKX2XFP

pith:2005:VZKX2XFPB2NBKED4Z4R7IRPGRL

not attested not anchored not stored refs pending

Quantum evolution of the Universe from $\tau=0$ in the constrained quasi-Heisenberg picture

S.L. Cherkas, V.L. Kalashnikov

arxiv:gr-qc/0502044 v5 · 2005-02-10 · 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{VZKX2XFPB2NBKED4Z4R7IRPGRL}

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	2026-05-18T04:08:53.935327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae557d5caf0e9a15107ccf23f445e68adf7c1f31c8e9330334ee630b578af798

Aliases

arxiv: gr-qc/0502044 · arxiv_version: gr-qc/0502044v5 · doi: 10.48550/arxiv.gr-qc/0502044 · pith_short_12: VZKX2XFPB2NB · pith_short_16: VZKX2XFPB2NBKED4 · pith_short_8: VZKX2XFP

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/VZKX2XFPB2NBKED4Z4R7IRPGRL \
  | 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: ae557d5caf0e9a15107ccf23f445e68adf7c1f31c8e9330334ee630b578af798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea51bd7e89d4488950275ecda324a803d1a6ccd7ac612b7322c0efdf7be8003",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-02-10T14:47:29Z",
    "title_canon_sha256": "7c8de7a350648009b520e2d579a08b1d751898d30bc2d4cc6162a666996ed833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0502044",
    "kind": "arxiv",
    "version": 5
  }
}