Pith Number

pith:J4NU3XGN

pith:1993:J4NU3XGNDAQNVKG2UKDPJBU4GJ

not attested not anchored not stored refs pending

Environment--Induced Decoherence, Classicality and Consistency of Quantum Histories

Juan Pablo Paz, Wojciech Hubert Zurek

arxiv:gr-qc/9304031 v1 · 1993-04-20 · 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{J4NU3XGNDAQNVKG2UKDPJBU4GJ}

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	2026-05-18T04:37:57.577028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f1b4ddccd1820daa8daa286f4869c325e8a529584fd3e0acbb94184d05b31f5

Aliases

arxiv: gr-qc/9304031 · arxiv_version: gr-qc/9304031v1 · doi: 10.48550/arxiv.gr-qc/9304031 · pith_short_12: J4NU3XGNDAQN · pith_short_16: J4NU3XGNDAQNVKG2 · pith_short_8: J4NU3XGN

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/J4NU3XGNDAQNVKG2UKDPJBU4GJ \
  | 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: 4f1b4ddccd1820daa8daa286f4869c325e8a529584fd3e0acbb94184d05b31f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b50a92f54d1142e96d7ec89186a915be6dafb9bac5f21224a086ff957a1d3838",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-04-20T22:21:57Z",
    "title_canon_sha256": "5dadc3c1ed351dc044185b5d27366fa9366429a1691f5a6523e16b74a3e64bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9304031",
    "kind": "arxiv",
    "version": 1
  }
}