Pith Number

pith:JPADAOVR

pith:2019:JPADAOVRM2TO3I7PAVJCBIHP7W

not attested not anchored not stored refs pending

Gorin's problem for individual simple partial fractions

Petr Chunaev, Vladimir Danchenko

arxiv:1907.07437 v2 · 2019-07-17 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPADAOVRM2TO3I7PAVJCBIHP7W}

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	2026-05-17T23:40:03.134521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bc0303ab166a6eda3ef055220a0effda10ca0c1530af2d6edda41ee0bb5246d

Aliases

arxiv: 1907.07437 · arxiv_version: 1907.07437v2 · doi: 10.48550/arxiv.1907.07437 · pith_short_12: JPADAOVRM2TO · pith_short_16: JPADAOVRM2TO3I7P · pith_short_8: JPADAOVR

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/JPADAOVRM2TO3I7PAVJCBIHP7W \
  | 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: 4bc0303ab166a6eda3ef055220a0effda10ca0c1530af2d6edda41ee0bb5246d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57cc9d07e068de03a3280eda6f01757597d04730c22ed5d1eb93c560e2ed0bb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-07-17T11:03:22Z",
    "title_canon_sha256": "086ade09678a90406fcffc9962ed0bb2db5ce395fb14b57aa3080435ae6eef8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07437",
    "kind": "arxiv",
    "version": 2
  }
}