pith. sign in
Pith Number

pith:GJGOHIHR

pith:2015:GJGOHIHRBQDPJK7GVUYROZJ3LK
not attested not anchored not stored refs pending

Linear-Time Fitting of a $k$-Step Function

Binay Bhattacharya, Sandip Das, Tsunehiko Kameda

arxiv:1512.07537 v2 · 2015-12-23 · cs.CG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GJGOHIHRBQDPJK7GVUYROZJ3LK}

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 2026-05-18T01:12:49.295046Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

324ce3a0f10c06f4abe6ad3117653b5a9a7a0f21bd396ded961202f2596e41a8

Aliases

arxiv: 1512.07537 · arxiv_version: 1512.07537v2 · doi: 10.48550/arxiv.1512.07537 · pith_short_12: GJGOHIHRBQDP · pith_short_16: GJGOHIHRBQDPJK7G · pith_short_8: GJGOHIHR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GJGOHIHRBQDPJK7GVUYROZJ3LK \
  | 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: 324ce3a0f10c06f4abe6ad3117653b5a9a7a0f21bd396ded961202f2596e41a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6a6ecbb1804b26770a8b8ef1fcc024ad95ecc12a168e3a5f90d34048ab8944b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-12-23T16:42:28Z",
    "title_canon_sha256": "397230dc17ca760a3992bde3a21054aeb06a2bf2dab17b802fa851d00694877c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07537",
    "kind": "arxiv",
    "version": 2
  }
}