Pith Number

pith:NCNOD444

pith:2011:NCNOD444XJA3N3BQHWMST6WHRP

not attested not anchored not stored refs pending

Contextual-value approach to the generalized measurement of observables

A. N. Jordan, J. Dressel

arxiv:1110.0418 v2 · 2011-10-03 · quant-ph · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCNOD444XJA3N3BQHWMST6WHRP}

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	2026-05-18T04:01:23.750904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689ae1f39cba41b6ec303d9929fac78be828cca4343a9b924f33142300c79a5f

Aliases

arxiv: 1110.0418 · arxiv_version: 1110.0418v2 · doi: 10.48550/arxiv.1110.0418 · pith_short_12: NCNOD444XJA3 · pith_short_16: NCNOD444XJA3N3BQ · pith_short_8: NCNOD444

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/NCNOD444XJA3N3BQHWMST6WHRP \
  | 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: 689ae1f39cba41b6ec303d9929fac78be828cca4343a9b924f33142300c79a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e830d9c07caa8df3c9eac6132258690377c7f8218027da32a260d78fbf7723a",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-03T16:57:51Z",
    "title_canon_sha256": "8182176ed49cac9594fbed773624dd58b16e3b56e3bd179af237d1d17ba47154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0418",
    "kind": "arxiv",
    "version": 2
  }
}