Pith Number

pith:SCXGYTO6

pith:2019:SCXGYTO6HMG2IYCAUAQZTVVUHV

not attested not anchored not stored refs pending

Spectral parameter power series representation for solutions of linear system of two first order differential equations

Nelson Guti\'errez Jim\'enez, Sergii M. Torba

arxiv:1904.03361 v1 · 2019-04-06 · math.CA · math-ph · math.MP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCXGYTO6HMG2IYCAUAQZTVVUHV}

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	2026-05-17T23:49:13.713634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ae6c4dde3b0da46040a02199d6b43d53e9c5c706e986b026498bea185c5186

Aliases

arxiv: 1904.03361 · arxiv_version: 1904.03361v1 · doi: 10.48550/arxiv.1904.03361 · pith_short_12: SCXGYTO6HMG2 · pith_short_16: SCXGYTO6HMG2IYCA · pith_short_8: SCXGYTO6

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/SCXGYTO6HMG2IYCAUAQZTVVUHV \
  | 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: 90ae6c4dde3b0da46040a02199d6b43d53e9c5c706e986b026498bea185c5186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23cbf9853e97e369e88a853b9b2e0f6791958a40f90ce39375ac611fc87b32e3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-04-06T05:07:26Z",
    "title_canon_sha256": "411b9934c76c03ea6291146b28bbc28fc5e593b84a3890632f860a9a059f1718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03361",
    "kind": "arxiv",
    "version": 1
  }
}