Pith Number

pith:2MYE3REY

pith:2019:2MYE3REYILLEM7EVLNM7LPWEFS

not attested not anchored not stored refs pending

Contextuality: It's a Feature, not a Bug

Arne Hansen, Stefan Wolf

arxiv:1902.02088 v2 · 2019-02-06 · 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{2MYE3REYILLEM7EVLNM7LPWEFS}

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	2026-05-17T23:47:26.252685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3304dc49842d6467c955b59f5bec42c9c95a44db5d9f30f934d563a57cc267d

Aliases

arxiv: 1902.02088 · arxiv_version: 1902.02088v2 · doi: 10.48550/arxiv.1902.02088 · pith_short_12: 2MYE3REYILLE · pith_short_16: 2MYE3REYILLEM7EV · pith_short_8: 2MYE3REY

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/2MYE3REYILLEM7EVLNM7LPWEFS \
  | 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: d3304dc49842d6467c955b59f5bec42c9c95a44db5d9f30f934d563a57cc267d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d8de5b86c9481b68f3e752153c9c8661c044810a799df1d3930c121e60db39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-06T09:56:22Z",
    "title_canon_sha256": "fce57fa4b19c3e0be9eb90a2ba6e5fe5d8cdeca9a783198908e74118dabc985f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02088",
    "kind": "arxiv",
    "version": 2
  }
}