Pith Number

pith:LWBG7UPE

pith:2020:LWBG7UPE7W6NXM5JGRJFT4S55P

not attested not anchored not stored refs pending

Spectral Analysis for Semantic Segmentation with Applications on Feature Truncation and Weak Annotation

Chin-Tien Wu, Li-Wei Chen, Wei-Chen Chiu

arxiv:2012.14123 v5 · 2020-12-28 · 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{LWBG7UPE7W6NXM5JGRJFT4S55P}

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	2026-07-05T06:09:02.876515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d826fd1e4fdbcdbb3a9345259f25debe92d10c4d477d3fe60d3dc9bf1aea228

Aliases

arxiv: 2012.14123 · arxiv_version: 2012.14123v5 · doi: 10.48550/arxiv.2012.14123 · pith_short_12: LWBG7UPE7W6N · pith_short_16: LWBG7UPE7W6NXM5J · pith_short_8: LWBG7UPE

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/LWBG7UPE7W6NXM5JGRJFT4S55P \
  | 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: 5d826fd1e4fdbcdbb3a9345259f25debe92d10c4d477d3fe60d3dc9bf1aea228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af4d0eabfedd78a2607f6849e531b568816f57c78f54df0e7de5d03405d719c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-28T07:18:25Z",
    "title_canon_sha256": "b3d40208cc3e1af933949836d192947a2a44a8ab54475fd26249267b3c2539b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14123",
    "kind": "arxiv",
    "version": 5
  }
}