Pith Number

pith:PEU7GR5R

pith:2012:PEU7GR5RTKIA7U2BU7WCAIFZWY

not attested not anchored not stored refs pending

Local tomography and the Jordan structure of quantum theory

Alexander Wilce, Howard Barnum

arxiv:1202.4513 v2 · 2012-02-21 · 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{PEU7GR5RTKIA7U2BU7WCAIFZWY}

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	2026-05-18T03:25:35.207634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7929f347b19a900fd341a7ec2020b9b627d4d469f4b23910545d4c0b9c368b16

Aliases

arxiv: 1202.4513 · arxiv_version: 1202.4513v2 · doi: 10.48550/arxiv.1202.4513 · pith_short_12: PEU7GR5RTKIA · pith_short_16: PEU7GR5RTKIA7U2B · pith_short_8: PEU7GR5R

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/PEU7GR5RTKIA7U2BU7WCAIFZWY \
  | 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: 7929f347b19a900fd341a7ec2020b9b627d4d469f4b23910545d4c0b9c368b16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b4cddf9fdbd319d8c61489267e04cbf7642430f316b03e2c836cbc995068cfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-21T02:07:25Z",
    "title_canon_sha256": "99887aff116e9231879c5aa57edff04a28032bfb9a7e7e1651a8113690cbc20a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4513",
    "kind": "arxiv",
    "version": 2
  }
}