Pith Number

pith:5W7S42DS

pith:2019:5W7S42DSOOGXHEZYGDP6A5ZDLM

not attested not anchored not stored refs pending

Non-Local Parity Measurements and the Quantum Pigeonhole Effect

G. S. Paraoanu

arxiv:1902.05854 v1 · 2019-02-15 · 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{5W7S42DSOOGXHEZYGDP6A5ZDLM}

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	2026-05-17T23:53:55.283969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edbf2e6872738d73933830dfe077235b08caf607bd8d504c8db2d345deb67f53

Aliases

arxiv: 1902.05854 · arxiv_version: 1902.05854v1 · doi: 10.48550/arxiv.1902.05854 · pith_short_12: 5W7S42DSOOGX · pith_short_16: 5W7S42DSOOGXHEZY · pith_short_8: 5W7S42DS

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/5W7S42DSOOGXHEZYGDP6A5ZDLM \
  | 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: edbf2e6872738d73933830dfe077235b08caf607bd8d504c8db2d345deb67f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f7724f67d7b6d37d91e2ac7164323b382a8989fa1b2acbb96127a755fb0643",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-15T15:41:13Z",
    "title_canon_sha256": "831dd3092fcab1e463fec66b1d2dff448470997d782e61d2d053a89a58aa1693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05854",
    "kind": "arxiv",
    "version": 1
  }
}