Pith Number

pith:B27WYQGG

pith:2012:B27WYQGG2TFVDE4S7LR5K7AOZR

not attested not anchored not stored refs pending

Smearing of Observables and Spectral Measures on Quantum Structures

Anatolij Dvure\v{c}enskij

arxiv:1204.6486 v1 · 2012-04-29 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B27WYQGG2TFVDE4S7LR5K7AOZR}

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	2026-05-18T01:57:42.649226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebf6c40c6d4cb519392fae3d57c0ecc55cb9514cc1e49ef660c9f39e494fa35

Aliases

arxiv: 1204.6486 · arxiv_version: 1204.6486v1 · doi: 10.48550/arxiv.1204.6486 · pith_short_12: B27WYQGG2TFV · pith_short_16: B27WYQGG2TFVDE4S · pith_short_8: B27WYQGG

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/B27WYQGG2TFVDE4S7LR5K7AOZR \
  | 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: 0ebf6c40c6d4cb519392fae3d57c0ecc55cb9514cc1e49ef660c9f39e494fa35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8e18a914291e9cd34a475be6d3faa5f784eff8a1297f97c45d69e37f087034",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-04-29T15:18:09Z",
    "title_canon_sha256": "5f72128881ef16d60e97b92d6258457a8c9fb21cc7dda2552c7bee43a5f030a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6486",
    "kind": "arxiv",
    "version": 1
  }
}