Pith Number

pith:D2GXABXP

pith:2017:D2GXABXPENUWCYKARKKOQD3UB5

not attested not anchored not stored refs pending

Periodic solutions and regularization of a Kepler problem with time-dependent perturbation

Alberto Boscaggin, Lei Zhao, Rafael Ortega

arxiv:1710.08782 v1 · 2017-10-24 · 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{D2GXABXPENUWCYKARKKOQD3UB5}

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	2026-07-05T00:33:08.375304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e8d7006ef23696161408a94e80f740f4f1e873c8607cf60d18a60a99cf8727e

Aliases

arxiv: 1710.08782 · arxiv_version: 1710.08782v1 · doi: 10.48550/arxiv.1710.08782 · pith_short_12: D2GXABXPENUW · pith_short_16: D2GXABXPENUWCYKA · pith_short_8: D2GXABXP

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/D2GXABXPENUWCYKARKKOQD3UB5 \
  | 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: 1e8d7006ef23696161408a94e80f740f4f1e873c8607cf60d18a60a99cf8727e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb459bce4e89ca7eb369b5ab2256acd38dd6ea9f3e76b7e3adeae7623d9dfd3d",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-10-24T14:05:04Z",
    "title_canon_sha256": "1896d6389beb1df77f46932768d5229908564e162b8775ff17c6671a1d5475aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08782",
    "kind": "arxiv",
    "version": 1
  }
}