Pith Number

pith:MUTLUVUP

pith:2017:MUTLUVUPPFT5KPUPPB2GBSJA5H

not attested not anchored not stored refs pending

Periodic solutions of a perturbed Kepler problem in the plane: from existence to stability

Alberto Boscaggin, Rafael Ortega

arxiv:1703.07857 v1 · 2017-03-22 · 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{MUTLUVUPPFT5KPUPPB2GBSJA5H}

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	2026-05-18T00:48:04.624966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6526ba568f7967d53e8f787460c920e9d4be1a5a425fc492ee04d783531d4080

Aliases

arxiv: 1703.07857 · arxiv_version: 1703.07857v1 · doi: 10.48550/arxiv.1703.07857 · pith_short_12: MUTLUVUPPFT5 · pith_short_16: MUTLUVUPPFT5KPUP · pith_short_8: MUTLUVUP

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/MUTLUVUPPFT5KPUPPB2GBSJA5H \
  | 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: 6526ba568f7967d53e8f787460c920e9d4be1a5a425fc492ee04d783531d4080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b7bf80105455c831a4a541514fa18b1431db66ff73af5c79fec6157236de835",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-03-22T21:16:18Z",
    "title_canon_sha256": "aa9cc8c4771ccfde91d4a46414a18a52df0b7e4f72a46dd511779993cab32f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07857",
    "kind": "arxiv",
    "version": 1
  }
}