Pith Number

pith:UHWN64YY

pith:2015:UHWN64YY46XUX2LLP64QKHY5YN

not attested not anchored not stored refs pending

Proposal-free Network for Instance-level Object Segmentation

Jianchao Yang, Liang Lin, Shuicheng Yan, Xiaodan Liang, Xiaohui Shen, Yunchao Wei

arxiv:1509.02636 v2 · 2015-09-09 · 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{UHWN64YY46XUX2LLP64QKHY5YN}

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	2026-05-18T01:33:26.084830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ecdf7318e7af4be96b7fb9051f1dc36db1886663173a204c1974cfd0432f45

Aliases

arxiv: 1509.02636 · arxiv_version: 1509.02636v2 · doi: 10.48550/arxiv.1509.02636 · pith_short_12: UHWN64YY46XU · pith_short_16: UHWN64YY46XUX2LL · pith_short_8: UHWN64YY

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/UHWN64YY46XUX2LLP64QKHY5YN \
  | 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: a1ecdf7318e7af4be96b7fb9051f1dc36db1886663173a204c1974cfd0432f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab96a36a3de1eba80f867d6d9b0e97caf3c04ac281911dd2cd3116bfe0757dd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-09-09T05:05:53Z",
    "title_canon_sha256": "07d46fe312ff4c9cd590ff419221fb76f4a6ac6e18eb0f995e257d80cb3ad07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02636",
    "kind": "arxiv",
    "version": 2
  }
}