Pith Number

pith:BGOQQ4DF

pith:2013:BGOQQ4DFRVPXUIQPPUH54ZCWNE

not attested not anchored not stored refs pending

A sub-ensemble theory of ideal quantum measurement processes

Armen E. Allahverdyan, Roger Balian, Theo M. Nieuwenhuizen

arxiv:1303.7257 v4 · 2013-03-28 · 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{BGOQQ4DFRVPXUIQPPUH54ZCWNE}

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	2026-05-18T00:33:53.648213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

099d0870658d5f7a220f7d0fde6456693f2f8fe7ebb606ee94c6a1b4e7aab1f7

Aliases

arxiv: 1303.7257 · arxiv_version: 1303.7257v4 · doi: 10.48550/arxiv.1303.7257 · pith_short_12: BGOQQ4DFRVPX · pith_short_16: BGOQQ4DFRVPXUIQP · pith_short_8: BGOQQ4DF

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/BGOQQ4DFRVPXUIQPPUH54ZCWNE \
  | 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: 099d0870658d5f7a220f7d0fde6456693f2f8fe7ebb606ee94c6a1b4e7aab1f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47db574f94d5fb9c538e89544129abf5fd367bec77a07d5ae6abd48b872fc155",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-28T21:09:00Z",
    "title_canon_sha256": "4d01531443057ecf24ff0950cf9ed55af03ac45f8e80c0774e57e63b6aede5b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7257",
    "kind": "arxiv",
    "version": 4
  }
}