Pith Number

pith:JOPRAIYJ

pith:2022:JOPRAIYJBSAMLXF3S7V254QEK3

not attested not anchored not stored refs pending

Markov chains with doubly stochastic transition matrices and application to a sequence of non-selective quantum measurements

A. Vourdas

arxiv:2203.09468 v1 · 2022-03-16 · 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{JOPRAIYJBSAMLXF3S7V254QEK3}

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	2026-07-05T04:06:11.410198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b9f1023090c80c5dcbb97ebaef20456f8ac88b7c2b92d31c9ef4d27a87ca684

Aliases

arxiv: 2203.09468 · arxiv_version: 2203.09468v1 · doi: 10.48550/arxiv.2203.09468 · pith_short_12: JOPRAIYJBSAM · pith_short_16: JOPRAIYJBSAMLXF3 · pith_short_8: JOPRAIYJ

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/JOPRAIYJBSAMLXF3S7V254QEK3 \
  | 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: 4b9f1023090c80c5dcbb97ebaef20456f8ac88b7c2b92d31c9ef4d27a87ca684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b0d2af8f1299cf65bb58ca43595e0e97b9e304ae00a60a94bf2db66ba20432",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-16T14:58:38Z",
    "title_canon_sha256": "13d9c41d5219fb620c1f71d740aceb5df6b1afa73796df55354a871a56991cda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09468",
    "kind": "arxiv",
    "version": 1
  }
}