Pith Number

pith:5ZRYAGV6

pith:2022:5ZRYAGV6FP6Y5KKCF2THHEAHYA

not attested not anchored not stored refs pending

Convexity and uncertainty in operational quantum foundations

Ryo Takakura

arxiv:2202.13834 v1 · 2022-02-28 · 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{5ZRYAGV6FP6Y5KKCF2THHEAHYA}

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	2026-07-05T04:00:34.409829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee63801abe2bfd8ea9422ea6739007c01e9af172b8837edcc7cbafffd7a56c1b

Aliases

arxiv: 2202.13834 · arxiv_version: 2202.13834v1 · doi: 10.48550/arxiv.2202.13834 · pith_short_12: 5ZRYAGV6FP6Y · pith_short_16: 5ZRYAGV6FP6Y5KKC · pith_short_8: 5ZRYAGV6

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/5ZRYAGV6FP6Y5KKCF2THHEAHYA \
  | 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: ee63801abe2bfd8ea9422ea6739007c01e9af172b8837edcc7cbafffd7a56c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df35994b8d1b627ae914eff1e4ed0981552a764af91760683c04e7f74af9f6c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-28T14:45:10Z",
    "title_canon_sha256": "5ed385afc9d66c412de5473cc3b4914853be158ecde88fce48794ac2329599a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13834",
    "kind": "arxiv",
    "version": 1
  }
}