Pith Number

pith:ZAWI2DYA

pith:2018:ZAWI2DYARBDAR5U7BH47FE3QVR

not attested not anchored not stored refs pending

Homer nodded: von Neumann's surprising oversight

N. David Mermin, R\"udiger Schack

arxiv:1805.10311 v2 · 2018-05-25 · quant-ph · physics.hist-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{ZAWI2DYARBDAR5U7BH47FE3QVR}

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	2026-05-18T00:06:28.638465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82c8d0f00884608f69f09f9f29370ac4b374ef0f5b6d8e3b8564c4ea9735a9f

Aliases

arxiv: 1805.10311 · arxiv_version: 1805.10311v2 · doi: 10.48550/arxiv.1805.10311 · pith_short_12: ZAWI2DYARBDA · pith_short_16: ZAWI2DYARBDAR5U7 · pith_short_8: ZAWI2DYA

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/ZAWI2DYARBDAR5U7BH47FE3QVR \
  | 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: c82c8d0f00884608f69f09f9f29370ac4b374ef0f5b6d8e3b8564c4ea9735a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa3fca71b3a0946b5e688837e3f56414ae411d3fbd73ccaa91fd605748ca0b9",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-25T18:21:40Z",
    "title_canon_sha256": "4fe28869dad710c78db9120adc6172f3efc1462963833b8e3ea34e1c4dafe3d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10311",
    "kind": "arxiv",
    "version": 2
  }
}