Pith Number

pith:Q3J4WDKF

pith:2015:Q3J4WDKFZLHCVPDDBT7GJIVOCZ

not attested not anchored not stored refs pending

Epistemic nature of quantum reasoning

Alfredo B. Henriques, Am\'ilcar Sernadas

arxiv:1504.06460 v1 · 2015-04-24 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T02:17:53.543713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d3cb0d45cace2abc630cfe64a2ae1658b9a9f5184d9ad98979edff1f63a3c1

Aliases

arxiv: 1504.06460 · arxiv_version: 1504.06460v1 · doi: 10.48550/arxiv.1504.06460 · pith_short_12: Q3J4WDKFZLHC · pith_short_16: Q3J4WDKFZLHCVPDD · pith_short_8: Q3J4WDKF

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/Q3J4WDKFZLHCVPDDBT7GJIVOCZ \
  | 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: 86d3cb0d45cace2abc630cfe64a2ae1658b9a9f5184d9ad98979edff1f63a3c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fad37940db9f17e985103648d8be840ea503f15264fcfa5fce3605d5e8ddb84c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-24T10:20:50Z",
    "title_canon_sha256": "82775d3cee8d45c4e42b6cce308bdd1c098d34abfa82f900392fb2675e8f7d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06460",
    "kind": "arxiv",
    "version": 1
  }
}