Pith Number

pith:KZHNJCMP

pith:2016:KZHNJCMPYAPR45LD4RM7GC46XA

not attested not anchored not stored refs pending

Inverse problems for Jacobi operators IV: Interior mass-spring perturbations of semi-infinite systems

Luis O. Silva, Mikhail Kudryavtsev, Rafael del Rio

arxiv:1604.00099 v1 · 2016-04-01 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZHNJCMPYAPR45LD4RM7GC46XA}

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	2026-05-18T00:45:49.725988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

564ed4898fc01f1e7563e459f30b9eb83094fc409f4ae216c903a621da3cd0e0

Aliases

arxiv: 1604.00099 · arxiv_version: 1604.00099v1 · doi: 10.48550/arxiv.1604.00099 · pith_short_12: KZHNJCMPYAPR · pith_short_16: KZHNJCMPYAPR45LD · pith_short_8: KZHNJCMP

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/KZHNJCMPYAPR45LD4RM7GC46XA \
  | 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: 564ed4898fc01f1e7563e459f30b9eb83094fc409f4ae216c903a621da3cd0e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946ba1953835fef4da948dc6a75495b4f5f901d4315f7940b982012401f80a6a",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-04-01T01:49:01Z",
    "title_canon_sha256": "fa2240c24ee7124d21f012ca716fbe29f50d48194935b8ed6d23d2ad6fd7ec11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00099",
    "kind": "arxiv",
    "version": 1
  }
}