Pith Number

pith:4JZYOBZF

pith:2015:4JZYOBZFWHBKHXQEM5AOYZVDUG

not attested not anchored not stored refs pending

Inverse spectral analysis for a class of infinite band symmetric matrices

Luis O. Silva, Mikhail Kudryavtsev, Sergio Palafox

arxiv:1512.00118 v1 · 2015-12-01 · 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{4JZYOBZFWHBKHXQEM5AOYZVDUG}

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	2026-05-18T01:25:32.717900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e273870725b1c2a3de046740ec66a3a1811806fb5b137f217002322b2531809f

Aliases

arxiv: 1512.00118 · arxiv_version: 1512.00118v1 · doi: 10.48550/arxiv.1512.00118 · pith_short_12: 4JZYOBZFWHBK · pith_short_16: 4JZYOBZFWHBKHXQE · pith_short_8: 4JZYOBZF

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/4JZYOBZFWHBKHXQEM5AOYZVDUG \
  | 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: e273870725b1c2a3de046740ec66a3a1811806fb5b137f217002322b2531809f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6043cbecd5360ceb6eefb8e4cf4fde3c285073a8085e68a11352664cc6bbad97",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-12-01T02:06:19Z",
    "title_canon_sha256": "787912ac2e16e3657de006dbb33b8db2f0d474736831c1737fb296ea76bbbfb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00118",
    "kind": "arxiv",
    "version": 1
  }
}