Pith Number

pith:4Q5IKEB3

pith:2018:4Q5IKEB33ISRS5IVCDISS2XHBA

not attested not anchored not stored refs pending

The Labyrinth of Quantum Logic

Tim Maudlin

arxiv:1802.01834 v1 · 2018-02-06 · physics.hist-ph · 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{4Q5IKEB33ISRS5IVCDISS2XHBA}

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	2026-05-18T00:24:21.142210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43a85103bda2519751510d1296ae7080891fb81006731be4b71c2d938d6cf31

Aliases

arxiv: 1802.01834 · arxiv_version: 1802.01834v1 · doi: 10.48550/arxiv.1802.01834 · pith_short_12: 4Q5IKEB33ISR · pith_short_16: 4Q5IKEB33ISRS5IV · pith_short_8: 4Q5IKEB3

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/4Q5IKEB33ISRS5IVCDISS2XHBA \
  | 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: e43a85103bda2519751510d1296ae7080891fb81006731be4b71c2d938d6cf31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e0ab2bcdafd3d9f2543d5bd1f0948b9d23778008db93aafb78bfcaffd8ae97",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-02-06T07:56:48Z",
    "title_canon_sha256": "abb7595a6111a4ecaeb62e2d2ee6e334eba97d36a9f8a113b778f796b2714513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01834",
    "kind": "arxiv",
    "version": 1
  }
}