Pith Number

pith:PZYSXSRF

pith:2000:PZYSXSRFEOFR7HXVYON7UTT5D5

not attested not anchored not stored refs pending

A four-party unlockable bound-entangled state

John A. Smolin

arxiv:quant-ph/0001001 v6 · 2000-01-03 · 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{PZYSXSRFEOFR7HXVYON7UTT5D5}

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	2026-07-04T16:22:16.330699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e712bca25238b1f9ef5c39bfa4e7d1f4f543e9192a68a2ee169849ef0d26758

Aliases

arxiv: quant-ph/0001001 · arxiv_version: quant-ph/0001001v6 · doi: 10.48550/arxiv.quant-ph/0001001 · pith_short_12: PZYSXSRFEOFR · pith_short_16: PZYSXSRFEOFR7HXV · pith_short_8: PZYSXSRF

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/PZYSXSRFEOFR7HXVYON7UTT5D5 \
  | 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: 7e712bca25238b1f9ef5c39bfa4e7d1f4f543e9192a68a2ee169849ef0d26758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9bc3f99b135ce7ef090fc5392428376e162c2024715a9b8695ee25cde5f74ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-01-03T17:53:19Z",
    "title_canon_sha256": "d0d87cbe59d119b70db51b461cddf19327e88af3401ee0104713cc00e61d5c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0001001",
    "kind": "arxiv",
    "version": 6
  }
}