Pith Number

pith:P4AIENJZ

pith:2019:P4AIENJZHWLDBMSOXMXKAAIJY6

not attested not anchored not stored refs pending

Segmentation is All You Need

Thomas Lukasiewicz, Weiyang Wang, Yuxiang WU, Zehua Cheng, Zhenghua Xu

arxiv:1904.13300 v3 · 2019-04-30 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4AIENJZHWLDBMSOXMXKAAIJY6}

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	2026-05-17T23:45:08.932679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f008235393d9630b24ebb2ea00109c784140ccec039437eff88b350ece3fd35

Aliases

arxiv: 1904.13300 · arxiv_version: 1904.13300v3 · doi: 10.48550/arxiv.1904.13300 · pith_short_12: P4AIENJZHWLD · pith_short_16: P4AIENJZHWLDBMSO · pith_short_8: P4AIENJZ

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/P4AIENJZHWLDBMSOXMXKAAIJY6 \
  | 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: 7f008235393d9630b24ebb2ea00109c784140ccec039437eff88b350ece3fd35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2440f085a54ddcbe83fd21b1118d97e08c39c6a139e176cc2599f8cca934615a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-30T15:13:01Z",
    "title_canon_sha256": "b66e783636ad0266f3a05c7e8b9eb65784d733a5c5cbf59d523936050ecbe2c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13300",
    "kind": "arxiv",
    "version": 3
  }
}