Pith Number

pith:AOJ7QP2V

pith:2017:AOJ7QP2VOR2Z6WKPYPREUZ3I6B

not attested not anchored not stored refs pending

The Poincar\'e half-plane for informationally complete POVMs

Michel Planat

arxiv:1709.06768 v1 · 2017-09-20 · 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{AOJ7QP2VOR2Z6WKPYPREUZ3I6B}

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	2026-05-18T00:26:14.450963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0393f83f5574759f594fc3e24a6768f06c02e23e22db44f4953e79480a052945

Aliases

arxiv: 1709.06768 · arxiv_version: 1709.06768v1 · doi: 10.48550/arxiv.1709.06768 · pith_short_12: AOJ7QP2VOR2Z · pith_short_16: AOJ7QP2VOR2Z6WKP · pith_short_8: AOJ7QP2V

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/AOJ7QP2VOR2Z6WKPYPREUZ3I6B \
  | 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: 0393f83f5574759f594fc3e24a6768f06c02e23e22db44f4953e79480a052945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "371578cc49588a21760bea7ef127130a86dea26617c153a6f09a30e34603dc3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-20T08:42:49Z",
    "title_canon_sha256": "96023939f0074f39c0e1264549d90b05da0aa21ce04f49dfff23dfde000e8608"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06768",
    "kind": "arxiv",
    "version": 1
  }
}