Pith Number

pith:MOKELPQI

pith:2014:MOKELPQI7IQHW447VJXYNWAZWQ

not attested not anchored not stored refs pending

A note on J-positive block operator matrices

Aleksey Kostenko

arxiv:1403.2406 v1 · 2014-03-10 · math.SP · 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{MOKELPQI7IQHW447VJXYNWAZWQ}

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	2026-05-18T01:22:58.035350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

639445be08fa207b739faa6f86d819b41d3f6af4c8b5af27ab2d8d3c21cf50ca

Aliases

arxiv: 1403.2406 · arxiv_version: 1403.2406v1 · doi: 10.48550/arxiv.1403.2406 · pith_short_12: MOKELPQI7IQH · pith_short_16: MOKELPQI7IQHW447 · pith_short_8: MOKELPQI

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/MOKELPQI7IQHW447VJXYNWAZWQ \
  | 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: 639445be08fa207b739faa6f86d819b41d3f6af4c8b5af27ab2d8d3c21cf50ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c12d98a011dbf67cbdbb1bf4f769c7920b132a13acd155cbd49dd473c77554b",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-03-10T20:52:18Z",
    "title_canon_sha256": "2f905bd114520e33a89fd5353013eba63bee5eb5c85a7e7dfd3134efb63e21f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2406",
    "kind": "arxiv",
    "version": 1
  }
}