Pith Number

pith:6QXADJ6Y

pith:2011:6QXADJ6YF2JOFO33FCFD2W5MC5

not attested not anchored not stored refs pending

Unsharp Values, Domains and Topoi

Andreas Doering, Rui Soares Barbosa

arxiv:1107.1083 v1 · 2011-07-06 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QXADJ6YF2JOFO33FCFD2W5MC5}

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	2026-05-18T03:05:28.696682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42e01a7d82e92e2bb7b288a3d5bac17571e168660d11cec54d57aa67350ffac

Aliases

arxiv: 1107.1083 · arxiv_version: 1107.1083v1 · doi: 10.48550/arxiv.1107.1083 · pith_short_12: 6QXADJ6YF2JO · pith_short_16: 6QXADJ6YF2JOFO33 · pith_short_8: 6QXADJ6Y

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/6QXADJ6YF2JOFO33FCFD2W5MC5 \
  | 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: f42e01a7d82e92e2bb7b288a3d5bac17571e168660d11cec54d57aa67350ffac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e6dfed02aa29dcc51c4bcfceb702233621413aab692be59f183724af19a8543",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-06T10:16:12Z",
    "title_canon_sha256": "207c99ae061236fed3c6b47a6f7f9d5e946b443ddf714f4604457047ed24fd28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1083",
    "kind": "arxiv",
    "version": 1
  }
}