pith. sign in
Pith Number

pith:QKZWPUPC

pith:2014:QKZWPUPC27DJIIKAQ637OEEJQ3
not attested not anchored not stored refs pending

Reestablishing Kepler_s first two laws for planets from the non_stationary Earth

H. C. Chang, H. Yao, P. S. Lee, W. Y. Hsiang

arxiv:1411.1441 v1 · 2014-11-05 · physics.class-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QKZWPUPC27DJIIKAQ637OEEJQ3}

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 2026-05-18T02:38:27.971178Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

82b367d1e2d7c694214087b7f7108986fb3e36c169fc7f4a86f28cde120e2125

Aliases

arxiv: 1411.1441 · arxiv_version: 1411.1441v1 · doi: 10.48550/arxiv.1411.1441 · pith_short_12: QKZWPUPC27DJ · pith_short_16: QKZWPUPC27DJIIKA · pith_short_8: QKZWPUPC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QKZWPUPC27DJIIKAQ637OEEJQ3 \
  | 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: 82b367d1e2d7c694214087b7f7108986fb3e36c169fc7f4a86f28cde120e2125
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd3f0141d0f240af977d17ecb597fc1b5702aa7ca51a5784283e2e29bd3d0b54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-11-05T22:53:26Z",
    "title_canon_sha256": "58acc76a9cdc55c8cf7f448523d814116406e945a991025d2d12bb6d01d8671b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1441",
    "kind": "arxiv",
    "version": 1
  }
}