Pith Number

pith:YSJECB7U

pith:2004:YSJECB7UWNKFOXSXLHRJDQAUQY

not attested not anchored not stored refs pending

Quantum states satisfying classical probability constraints

Elena R. Loubenets

arxiv:quant-ph/0406139 v2 · 2004-06-19 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSJECB7UWNKFOXSXLHRJDQAUQY}

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	2026-05-18T04:32:09.718358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4924107f4b354575e5759e291c014862c49ef9e32be1c3b8cca2e45bf6318c6

Aliases

arxiv: quant-ph/0406139 · arxiv_version: quant-ph/0406139v2 · doi: 10.48550/arxiv.quant-ph/0406139 · pith_short_12: YSJECB7UWNKF · pith_short_16: YSJECB7UWNKFOXSX · pith_short_8: YSJECB7U

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/YSJECB7UWNKFOXSXLHRJDQAUQY \
  | 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: c4924107f4b354575e5759e291c014862c49ef9e32be1c3b8cca2e45bf6318c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ec62670ca885b46bda5dc2d6cd57364f5dcd7bcc6fa6167e19851ecf74943f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-06-19T21:23:15Z",
    "title_canon_sha256": "d089f9d2d185589970cb7de04187884893c7e4b820ec385430cad2dd7fa5ac35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0406139",
    "kind": "arxiv",
    "version": 2
  }
}