Pith Number

pith:TN2CVVNF

pith:2026:TN2CVVNF2NPQMKFYTIXTOG4JID

not attested not anchored not stored refs pending

Quantum randomness beyond projective measurements

Fionnuala Curran

arxiv:2605.18291 v1 · 2026-05-18 · 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{TN2CVVNF2NPQMKFYTIXTOG4JID}

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	2026-05-20T00:05:53.690952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b742ad5a5d35f0628b89a2f371b8940f74adc8f30806f1f2baa4242f140944f

Aliases

arxiv: 2605.18291 · arxiv_version: 2605.18291v1 · doi: 10.48550/arxiv.2605.18291 · pith_short_12: TN2CVVNF2NPQ · pith_short_16: TN2CVVNF2NPQMKFY · pith_short_8: TN2CVVNF

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/TN2CVVNF2NPQMKFYTIXTOG4JID \
  | 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: 9b742ad5a5d35f0628b89a2f371b8940f74adc8f30806f1f2baa4242f140944f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac57374ca8f0b4e3e0ebf4d3c13b369458217c5ba835bb4393a4ed75c82a0b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-18T12:17:11Z",
    "title_canon_sha256": "9f915e4eb5c718a4b4bf72883bde0a98c57618a7aac1d0c52910e8a457f1d9ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18291",
    "kind": "arxiv",
    "version": 1
  }
}