Pith Number

pith:EHBVV7DO

pith:2009:EHBVV7DOSISYBOMNLHI5NREOPT

not attested not anchored not stored refs pending

Foliable Operational Structures for General Probabilistic Theories

Lucien Hardy

arxiv:0912.4740 v1 · 2009-12-23 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHBVV7DOSISYBOMNLHI5NREOPT}

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.

Cited by

1 paper in Pith

Generalized Probability Theory: notes for a short course

Receipt and verification

First computed	2026-07-04T17:29:58.753178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c35afc6e922580b98d59d1d6c48e7cf974a8dd92976a5656daf3480f64d70b

Aliases

arxiv: 0912.4740 · arxiv_version: 0912.4740v1 · doi: 10.48550/arxiv.0912.4740 · pith_short_12: EHBVV7DOSISY · pith_short_16: EHBVV7DOSISYBOMN · pith_short_8: EHBVV7DO

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/EHBVV7DOSISYBOMNLHI5NREOPT \
  | 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: 21c35afc6e922580b98d59d1d6c48e7cf974a8dd92976a5656daf3480f64d70b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce942367fe20b581e57f4d6cd903240387b410d114e4fbfa87f24810ac6f580b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-23T21:10:11Z",
    "title_canon_sha256": "46f55ca692951bc79748c75385a68f95102d623feea1b14583f795efeb54553f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4740",
    "kind": "arxiv",
    "version": 1
  }
}