Pith Number

pith:UTVKJFVK

pith:2021:UTVKJFVK36ITYRLNNP7MNIDFPQ

not attested not anchored not stored refs pending

Learning Polar Encodings for Arbitrary-Oriented Ship Detection in SAR Images

Amir Hussain, Erfu Yang, Fei Gao, Huiyu Zhou, Jun Wang, Yishan He

arxiv:2103.13151 v1 · 2021-03-24 · 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{UTVKJFVK36ITYRLNNP7MNIDFPQ}

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	2026-07-05T02:26:06.430002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4eaa496aadf913c456d6bfec6a0657c162be502c59807902e0162e919751691

Aliases

arxiv: 2103.13151 · arxiv_version: 2103.13151v1 · doi: 10.48550/arxiv.2103.13151 · pith_short_12: UTVKJFVK36IT · pith_short_16: UTVKJFVK36ITYRLN · pith_short_8: UTVKJFVK

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/UTVKJFVK36ITYRLNNP7MNIDFPQ \
  | 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: a4eaa496aadf913c456d6bfec6a0657c162be502c59807902e0162e919751691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ba19bb2a739710c4c9bbb1fa5705f31a7b59a5e4ce29ebaf3451b14522c2c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-24T12:52:54Z",
    "title_canon_sha256": "b5bb5f0cf1f2d048eb36bb95a8fca4ba1312de5d35e572b8a3d5da3603b2409a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13151",
    "kind": "arxiv",
    "version": 1
  }
}