Pith Number

pith:TA5UZD45

pith:2018:TA5UZD452JBRNUPXEFT6ZAI4HU

not attested not anchored not stored refs pending

Strongly polynomial efficient approximation scheme for segmentation

Nikolaj Tatti

arxiv:1805.11170 v2 · 2018-05-28 · cs.DS · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TA5UZD452JBRNUPXEFT6ZAI4HU}

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	2026-05-17T23:54:48.388203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

983b4c8f9dd24316d1f72167ec811c3d1cf68cbdca6ac05154f96d2af74d85cb

Aliases

arxiv: 1805.11170 · arxiv_version: 1805.11170v2 · doi: 10.48550/arxiv.1805.11170 · pith_short_12: TA5UZD452JBR · pith_short_16: TA5UZD452JBRNUPX · pith_short_8: TA5UZD45

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/TA5UZD452JBRNUPXEFT6ZAI4HU \
  | 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: 983b4c8f9dd24316d1f72167ec811c3d1cf68cbdca6ac05154f96d2af74d85cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9288b50438583fda4bf2f7b0cce60770f4932e023abdb7e33bc8bc3ae61e6e4a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-28T20:55:47Z",
    "title_canon_sha256": "2b217ebc1262a05c11deebb827750716c3ac54f67a38321f79819207db343be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11170",
    "kind": "arxiv",
    "version": 2
  }
}