Pith Number

pith:JSKH5II3

pith:2012:JSKH5II3AXI5DEHPUET22CDSZI

not attested not anchored not stored refs pending

Isospectral flows on a class of finite-dimensional Jacobi matrices

Debasish Chatterjee, Federico Ramponi, John Lygeros, Tobias Sutter

arxiv:1202.1618 v2 · 2012-02-08 · math.DS · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSKH5II3AXI5DEHPUET22CDSZI}

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	2026-05-18T00:29:49.625149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c947ea11b05d1d190efa127ad0872ca3699c7afe726d340c3df786de884b7d6

Aliases

arxiv: 1202.1618 · arxiv_version: 1202.1618v2 · doi: 10.48550/arxiv.1202.1618 · pith_short_12: JSKH5II3AXI5 · pith_short_16: JSKH5II3AXI5DEHP · pith_short_8: JSKH5II3

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/JSKH5II3AXI5DEHPUET22CDSZI \
  | 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: 4c947ea11b05d1d190efa127ad0872ca3699c7afe726d340c3df786de884b7d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d1b3d236a580dae5a071d59279342e149322f12f0a4cdfe59daedae01580237",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-08T08:05:56Z",
    "title_canon_sha256": "d01e9fd138ae3d4e3a705e094db4d5ea12c40e6b33d8b78e1bbd719b6d752566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1618",
    "kind": "arxiv",
    "version": 2
  }
}