Pith Number

pith:Y2R7NBX5

pith:2017:Y2R7NBX5FUDONKQX6PKKWSMMCP

not attested not anchored not stored refs pending

Linear regression over the max-plus semiring: algorithms and applications

James Hook

arxiv:1712.03499 v1 · 2017-12-10 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2R7NBX5FUDONKQX6PKKWSMMCP}

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	2026-05-18T00:28:21.042251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a3f686fd2d06e6aa17f3d4ab498c13d19a3cc877b3ab7aa53a2d52d4df02d0

Aliases

arxiv: 1712.03499 · arxiv_version: 1712.03499v1 · doi: 10.48550/arxiv.1712.03499 · pith_short_12: Y2R7NBX5FUDO · pith_short_16: Y2R7NBX5FUDONKQX · pith_short_8: Y2R7NBX5

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/Y2R7NBX5FUDONKQX6PKKWSMMCP \
  | 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: c6a3f686fd2d06e6aa17f3d4ab498c13d19a3cc877b3ab7aa53a2d52d4df02d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d81035efb9059049408f691b51ef6bd3146a7d8415548bb80b057ff11673ed8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-10T10:51:15Z",
    "title_canon_sha256": "981a108a02b8840f91dad593e4d97710e838823fd6e2b6b94acc2a5984220f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03499",
    "kind": "arxiv",
    "version": 1
  }
}