Pith Number

pith:J65NDQWV

pith:2014:J65NDQWV26J7YY4GQGH2ZNDM7C

not attested not anchored not stored refs pending

Solution of the parametric center problem for the Abel differential equation

Fedor Pakovich

arxiv:1407.0150 v1 · 2014-07-01 · math.CA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J65NDQWV26J7YY4GQGH2ZNDM7C}

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	2026-05-18T02:48:35.062999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fbad1c2d5d793fc6386818facb46cf8b0a7e2ecce7f4b47714879421324e776

Aliases

arxiv: 1407.0150 · arxiv_version: 1407.0150v1 · doi: 10.48550/arxiv.1407.0150 · pith_short_12: J65NDQWV26J7 · pith_short_16: J65NDQWV26J7YY4G · pith_short_8: J65NDQWV

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/J65NDQWV26J7YY4GQGH2ZNDM7C \
  | 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: 4fbad1c2d5d793fc6386818facb46cf8b0a7e2ecce7f4b47714879421324e776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf9813d6ae61ad41e1aa1405b9646a15206b536ca71c1b76411bd9c019466cf8",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-07-01T09:20:43Z",
    "title_canon_sha256": "03931b5203bf4b9388858e747adafc521568915077e4dd6bc60dd5deb65cb1a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0150",
    "kind": "arxiv",
    "version": 1
  }
}