Pith Number

pith:NJV65HBD

pith:2015:NJV65HBDCD2WKR77DBDX7GC6MJ

not attested not anchored not stored refs pending

A Quantum Paradox of Choice and Purported Classical Analogues

Adrian Kent (Centre for Quantum Information, DAMTP, Emily Adlam, Foundations, University of Cambridge)

arxiv:1509.08094 v1 · 2015-09-27 · 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{NJV65HBDCD2WKR77DBDX7GC6MJ}

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	2026-05-18T01:31:54.734724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6bee9c2310f56547ff18477f985e625164ff31fc82e1c53314291043463711

Aliases

arxiv: 1509.08094 · arxiv_version: 1509.08094v1 · doi: 10.48550/arxiv.1509.08094 · pith_short_12: NJV65HBDCD2W · pith_short_16: NJV65HBDCD2WKR77 · pith_short_8: NJV65HBD

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/NJV65HBDCD2WKR77DBDX7GC6MJ \
  | 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: 6a6bee9c2310f56547ff18477f985e625164ff31fc82e1c53314291043463711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdaa6cb9b2069a8122396b8bd7f0abfd54690703f5372d46760416b6dde7483f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-27T13:41:31Z",
    "title_canon_sha256": "834a1242d37e3fc1293e682b1129cf497bb245b3072adae267278734384ba151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08094",
    "kind": "arxiv",
    "version": 1
  }
}