Pith Number

pith:6FW3CHVM

pith:2014:6FW3CHVMEW4QEDDJGVOVGQ375F

not attested not anchored not stored refs pending

Quasi-diagonalization of Hankel operators

D. R. Yafaev

arxiv:1403.3941 v1 · 2014-03-16 · math.FA · 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{6FW3CHVMEW4QEDDJGVOVGQ375F}

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	2026-05-18T02:56:13.121714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f16db11eac25b9020c69355d53437fe960b8590af99a009c017dfa83aa47a9f0

Aliases

arxiv: 1403.3941 · arxiv_version: 1403.3941v1 · doi: 10.48550/arxiv.1403.3941 · pith_short_12: 6FW3CHVMEW4Q · pith_short_16: 6FW3CHVMEW4QEDDJ · pith_short_8: 6FW3CHVM

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/6FW3CHVMEW4QEDDJGVOVGQ375F \
  | 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: f16db11eac25b9020c69355d53437fe960b8590af99a009c017dfa83aa47a9f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31feb585640ec49a5caf9cfc0a41e9b9cf46190a5118a12688801e40d3796687",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-03-16T18:10:37Z",
    "title_canon_sha256": "3ae8f5d848818ea9d67240c42ee0b1f7615901f89ec4bd7951a3bb0a08234047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3941",
    "kind": "arxiv",
    "version": 1
  }
}