Pith Number

pith:JEUC4LTK

pith:2025:JEUC4LTKUP37LLCYUCWLXVG2ZY

not attested not anchored not stored refs pending

The boundary control approach to inverse spectral theory

S.A. Avdonin, V.S. Mikhaylov

arxiv:2505.23329 v1 · 2025-05-29 · math.AP · 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{JEUC4LTKUP37LLCYUCWLXVG2ZY}

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	2026-07-05T11:11:59.653808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49282e2e6aa3f7f5ac58a0acbbd4dace1cfe5cdde18af1d6295f7bb3585e1342

Aliases

arxiv: 2505.23329 · arxiv_version: 2505.23329v1 · doi: 10.48550/arxiv.2505.23329 · pith_short_12: JEUC4LTKUP37 · pith_short_16: JEUC4LTKUP37LLCY · pith_short_8: JEUC4LTK

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/JEUC4LTKUP37LLCYUCWLXVG2ZY \
  | 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: 49282e2e6aa3f7f5ac58a0acbbd4dace1cfe5cdde18af1d6295f7bb3585e1342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0ebf4ebfb78188d157abb4c587ab3aab363c0a2f67c9a39d1300930b4d3f2a",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-05-29T10:38:20Z",
    "title_canon_sha256": "cd7d9968ac03601a68cd34a89b77108d3ae20e65810a0942dd6377b837f9c63f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23329",
    "kind": "arxiv",
    "version": 1
  }
}