Pith Number

pith:2ISZ57W3

pith:2022:2ISZ57W3IBR746E2HVXM7734Q3

not attested not anchored not stored refs pending

Classical and Quantum Measurement Theory

Peter Morgan

arxiv:2201.04667 v2 · 2022-01-12 · 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{2ISZ57W3IBR746E2HVXM7734Q3}

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	2026-07-05T03:49:31.147100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2259efedb4063fe789a3d6ecfff7c86c3b66edadd3de8627c6fdeb084a56be0

Aliases

arxiv: 2201.04667 · arxiv_version: 2201.04667v2 · doi: 10.48550/arxiv.2201.04667 · pith_short_12: 2ISZ57W3IBR7 · pith_short_16: 2ISZ57W3IBR746E2 · pith_short_8: 2ISZ57W3

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/2ISZ57W3IBR746E2HVXM7734Q3 \
  | 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: d2259efedb4063fe789a3d6ecfff7c86c3b66edadd3de8627c6fdeb084a56be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d8a219526fcf098d9500a58bf7560295284293a351e56d581b3db53a92eb08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-12T19:44:34Z",
    "title_canon_sha256": "01160843b859f0903c3d316111ad08903a8a88a8ed8c7cd615553562eed76132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04667",
    "kind": "arxiv",
    "version": 2
  }
}