Pith Number

pith:SRNLD72K

pith:2010:SRNLD72KNJ724EULA7LHFCMSDY

not attested not anchored not stored refs pending

A commutator method for the diagonalization of Hankel operators

D. R. Yafaev

arxiv:1009.1391 v1 · 2010-09-07 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRNLD72KNJ724EULA7LHFCMSDY}

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	2026-05-18T04:41:14.879902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945ab1ff4a6a7fae128b07d67289921e2f550248895b09b7093a09e40b502e05

Aliases

arxiv: 1009.1391 · arxiv_version: 1009.1391v1 · doi: 10.48550/arxiv.1009.1391 · pith_short_12: SRNLD72KNJ72 · pith_short_16: SRNLD72KNJ724EUL · pith_short_8: SRNLD72K

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/SRNLD72KNJ724EULA7LHFCMSDY \
  | 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: 945ab1ff4a6a7fae128b07d67289921e2f550248895b09b7093a09e40b502e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b7ac465cb6b2c2b1b1d6d743250b0ec75ff37832479356299a5d4cbdf6a224",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2010-09-07T20:08:16Z",
    "title_canon_sha256": "5d76a7ab20ec81ba000af07106540f2029145ace9aae068cc3743c03f88dba9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1391",
    "kind": "arxiv",
    "version": 1
  }
}