Pith Number

pith:C3MR2LWQ

pith:2018:C3MR2LWQPVJSVZPS4OUKA4BFID

not attested not anchored not stored refs pending

A Refined Algorithm for Curve Fitting by Segmented Straight Lines

Mattias F\"alt, Olof Troeng

arxiv:1806.11041 v1 · 2018-06-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3MR2LWQPVJSVZPS4OUKA4BFID}

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	2026-05-18T00:12:07.168041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16d91d2ed07d532ae5f2e3a8a0702540e84139f965d7bc30670cfefabfa741d6

Aliases

arxiv: 1806.11041 · arxiv_version: 1806.11041v1 · doi: 10.48550/arxiv.1806.11041 · pith_short_12: C3MR2LWQPVJS · pith_short_16: C3MR2LWQPVJSVZPS · pith_short_8: C3MR2LWQ

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/C3MR2LWQPVJSVZPS4OUKA4BFID \
  | 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: 16d91d2ed07d532ae5f2e3a8a0702540e84139f965d7bc30670cfefabfa741d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c19d3a78ae4bae2fa4b377718379da3ee68674755a559feb52b60fe7f0c420",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-28T15:47:28Z",
    "title_canon_sha256": "08f6c2d275aeddbc361b0e2065483008add29513eb9fe742334f72355d18f910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11041",
    "kind": "arxiv",
    "version": 1
  }
}