Pith Number

pith:W434JYRC

pith:2001:W434JYRC2XH53C47ZZV77XSN6A

not attested not anchored not stored refs pending

Unknown Quantum States: The Quantum de Finetti Representation

Carlton M. Caves, Christopher A. Fuchs, Ruediger Schack

arxiv:quant-ph/0104088 v1 · 2001-04-18 · 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{W434JYRC2XH53C47ZZV77XSN6A}

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.

Cited by

1 paper in Pith

Quantum randomness beyond projective measurements

Receipt and verification

First computed	2026-05-18T01:38:02.745032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b737c4e222d5cfdd8b9fce6bffde4df0061775fd121da0b7e3c6254535b71a23

Aliases

arxiv: quant-ph/0104088 · arxiv_version: quant-ph/0104088v1 · doi: 10.48550/arxiv.quant-ph/0104088 · pith_short_12: W434JYRC2XH5 · pith_short_16: W434JYRC2XH53C47 · pith_short_8: W434JYRC

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/W434JYRC2XH53C47ZZV77XSN6A \
  | 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: b737c4e222d5cfdd8b9fce6bffde4df0061775fd121da0b7e3c6254535b71a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a509ed075faf749a11bb442647e0a192f933d0c1dcfb27882adc2a92bcef43cb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-04-18T17:47:00Z",
    "title_canon_sha256": "c5ba365568ac1305d97f3babaea0a90732852d634cc7b546c6d0dabd133702d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0104088",
    "kind": "arxiv",
    "version": 1
  }
}