Pith Number

pith:CTQFYE4L

pith:2017:CTQFYE4LBRPIPL45QNM2VAD2IL

not attested not anchored not stored refs pending

Matrix methods for Pad\'e approximation: numerical calculation of poles, zeros and residues

Luca Perotti, Michal Wojtylak

arxiv:1712.01155 v2 · 2017-12-04 · math.NA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTQFYE4LBRPIPL45QNM2VAD2IL}

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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.

Cited by

1 paper in Pith

On the Inverse Problem in Effective Field Theory

Receipt and verification

First computed	2026-05-18T00:25:41.516496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e05c138b0c5e87af9d8359aa807a42ff79c2f5e97996558bce0d2c394c09fe

Aliases

arxiv: 1712.01155 · arxiv_version: 1712.01155v2 · doi: 10.48550/arxiv.1712.01155 · pith_short_12: CTQFYE4LBRPI · pith_short_16: CTQFYE4LBRPIPL45 · pith_short_8: CTQFYE4L

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/CTQFYE4LBRPIPL45QNM2VAD2IL \
  | 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: 14e05c138b0c5e87af9d8359aa807a42ff79c2f5e97996558bce0d2c394c09fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed5bb8c69023495a70ee652f867beb9306122f2bcd764eb537fcd481e43d9158",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-04T15:46:35Z",
    "title_canon_sha256": "c1ffa491b5f6bfeb2b12b049be444f326ffd79da48a944c15e62f15aaf1901ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01155",
    "kind": "arxiv",
    "version": 2
  }
}