Pith Number

pith:RBUHRR44

pith:2019:RBUHRR44IR7K7D7SM5VEERYPF7

not attested not anchored not stored refs pending

Elliptical trajectories of a point on the elliptical 2-sphere

Fatma Ate\c{s}, Zehra \"Ozdemir

arxiv:1908.02751 v2 · 2019-08-07 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBUHRR44IR7K7D7SM5VEERYPF7}

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	2026-07-05T03:35:47.631564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

886878c79c447eaf8ff2676a42470f2ffa1a8183846fb3272591f6435751eb90

Aliases

arxiv: 1908.02751 · arxiv_version: 1908.02751v2 · doi: 10.48550/arxiv.1908.02751 · pith_short_12: RBUHRR44IR7K · pith_short_16: RBUHRR44IR7K7D7S · pith_short_8: RBUHRR44

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/RBUHRR44IR7K7D7SM5VEERYPF7 \
  | 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: 886878c79c447eaf8ff2676a42470f2ffa1a8183846fb3272591f6435751eb90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62471f4b11d26089abb564181c913f20666d860ad79d9852ed413d0a9366c3d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2019-08-07T07:05:24Z",
    "title_canon_sha256": "1d25aefd54e40b6b5bcc44a17d2a9f7b0ed02f0f6c16ec2e0bff9aa2e4a0583c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02751",
    "kind": "arxiv",
    "version": 2
  }
}