Pith Number

pith:PZT4JBVY

pith:2001:PZT4JBVYXPBDTIOICHTSCNTPIJ

not attested not anchored not stored refs pending

Just How Final are Today's Quantum Structures?

Paul Busch

arxiv:quant-ph/0103139 v1 · 2001-03-26 · 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{PZT4JBVYXPBDTIOICHTSCNTPIJ}

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	2026-05-18T04:32:09.763695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e67c486b8bbc239a1c811e721366f426e3302da03636d9157d24f1f9e4d4e4f

Aliases

arxiv: quant-ph/0103139 · arxiv_version: quant-ph/0103139v1 · doi: 10.48550/arxiv.quant-ph/0103139 · pith_short_12: PZT4JBVYXPBD · pith_short_16: PZT4JBVYXPBDTIOI · pith_short_8: PZT4JBVY

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/PZT4JBVYXPBDTIOICHTSCNTPIJ \
  | 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: 7e67c486b8bbc239a1c811e721366f426e3302da03636d9157d24f1f9e4d4e4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69d1c97860f38a30a8647a54dab0c9ef7e42fcbe3b54bfebc4e1b9f5bfd79c62",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-03-26T09:22:28Z",
    "title_canon_sha256": "ea0df00b6a10fa13b080464c4bae78200c16f79db695bc0337db13f0a057f539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0103139",
    "kind": "arxiv",
    "version": 1
  }
}