Pith Number

pith:4ORSXFFA

pith:2015:4ORSXFFALMZG4C3MQBSWYZDHLI

not attested not anchored not stored refs pending

Quantum Superpositions Cannot be Epistemic

John-Mark A. Allen

arxiv:1501.05969 v2 · 2015-01-23 · 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{4ORSXFFALMZG4C3MQBSWYZDHLI}

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	2026-05-18T01:03:37.001255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a32b94a05b326e0b6c80656c64675a13723b760fc21cffa969b537f2c072ce

Aliases

arxiv: 1501.05969 · arxiv_version: 1501.05969v2 · doi: 10.48550/arxiv.1501.05969 · pith_short_12: 4ORSXFFALMZG · pith_short_16: 4ORSXFFALMZG4C3M · pith_short_8: 4ORSXFFA

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/4ORSXFFALMZG4C3MQBSWYZDHLI \
  | 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: e3a32b94a05b326e0b6c80656c64675a13723b760fc21cffa969b537f2c072ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d68f1f6719493d0f15ee639cb0a1dac805042831c9148dfd6834b7994afa288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-23T21:44:44Z",
    "title_canon_sha256": "092071effe1018624635c502c201e1cefc03f8685549634f6f12638d040f1592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05969",
    "kind": "arxiv",
    "version": 2
  }
}