Pith Number

pith:64DKWEPA

pith:2025:64DKWEPAUPLBCMGHH5IN6HPH3M

not attested not anchored not stored refs pending

The Four Color Theorem for Cell Instance Segmentation

Jianxu Chen, Jun Xiao, Ye Zhang, Yifeng Wang, Yongbing Zhang, Yu Zhou, Ziyue Wang

arxiv:2506.09724 v1 · 2025-06-11 · 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{64DKWEPAUPLBCMGHH5IN6HPH3M}

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	2026-07-05T11:19:55.871697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f706ab11e0a3d61130c73f50df1de7db0622077bcba31413a86af511e13646ab

Aliases

arxiv: 2506.09724 · arxiv_version: 2506.09724v1 · doi: 10.48550/arxiv.2506.09724 · pith_short_12: 64DKWEPAUPLB · pith_short_16: 64DKWEPAUPLBCMGH · pith_short_8: 64DKWEPA

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/64DKWEPAUPLBCMGHH5IN6HPH3M \
  | 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: f706ab11e0a3d61130c73f50df1de7db0622077bcba31413a86af511e13646ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772fafbfcd0f4c36c0c401c226527dc26a8683823f4bf831996ffe82d3106c05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-06-11T13:33:58Z",
    "title_canon_sha256": "366fa1795e46e919e4be68002b532b164c9eae0dc5777e2174c0895da6a6b91b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.09724",
    "kind": "arxiv",
    "version": 1
  }
}