Pith Number

pith:NYVSOYP2

pith:2018:NYVSOYP2ROZNCUSD5DUVN6COTP

not attested not anchored not stored refs pending

Quasianalytic n-tuples of Hilbert space operators

L\'aszl\'o K\'erchy

arxiv:1805.02872 v1 · 2018-05-08 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYVSOYP2ROZNCUSD5DUVN6COTP}

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	2026-05-18T00:16:35.413476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e2b2761fa8bb2d15243e8e956f84e9bd236d7c9548f6fab4b8597558adb681a

Aliases

arxiv: 1805.02872 · arxiv_version: 1805.02872v1 · doi: 10.48550/arxiv.1805.02872 · pith_short_12: NYVSOYP2ROZN · pith_short_16: NYVSOYP2ROZNCUSD · pith_short_8: NYVSOYP2

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/NYVSOYP2ROZNCUSD5DUVN6COTP \
  | 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: 6e2b2761fa8bb2d15243e8e956f84e9bd236d7c9548f6fab4b8597558adb681a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "413c65560e41f59fb8fa82a14751b92126b18e0b4ecb0decd0224201e313264a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-05-08T07:47:56Z",
    "title_canon_sha256": "6e607c0ea2c4cd3a0cf97eade80cc716e95110f6c1dcbed711e047ed21467ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02872",
    "kind": "arxiv",
    "version": 1
  }
}