Pith Number

pith:E5X4LLUP

pith:2025:E5X4LLUPD3QZDNHW3YF7SXSLDM

not attested not anchored not stored refs pending

Inverse problem for semi-infinite Jacobi matrices and associated Hilbert spaces of analytic functions

Alexander Mikhaylov, Victor Mikhaylov

arxiv:2505.08338 v1 · 2025-05-13 · math.SP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5X4LLUPD3QZDNHW3YF7SXSLDM}

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	2026-07-05T11:02:29.069773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

276fc5ae8f1ee191b4f6de0bf95e4b1b0e86082d98397f3d34c5bef883ec7745

Aliases

arxiv: 2505.08338 · arxiv_version: 2505.08338v1 · doi: 10.48550/arxiv.2505.08338 · pith_short_12: E5X4LLUPD3QZ · pith_short_16: E5X4LLUPD3QZDNHW · pith_short_8: E5X4LLUP

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/E5X4LLUPD3QZDNHW3YF7SXSLDM \
  | 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: 276fc5ae8f1ee191b4f6de0bf95e4b1b0e86082d98397f3d34c5bef883ec7745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15687fadb98a67cef5259370acc97997c22cb5704da7e1673241a774d7bb9bf7",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2025-05-13T08:31:39Z",
    "title_canon_sha256": "dc8b3a6526887749406f092505508297f7f2b7f31e74146a4e1072d8d5a8a54c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08338",
    "kind": "arxiv",
    "version": 1
  }
}