Pith Number

pith:PHNXFOMI

pith:2020:PHNXFOMIAKAM4JRGYUOTHRBQDZ

not attested not anchored not stored refs pending

Classification and understanding of cloud structures via satellite images with EfficientUNet

Noor Hossain Nuri Sabab, Tashin Ahmed

arxiv:2009.12931 v4 · 2020-09-27 · eess.IV · 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{PHNXFOMIAKAM4JRGYUOTHRBQDZ}

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	2026-07-05T02:56:37.011009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79db72b9880280ce2626c51d33c4301e58cb53efdd7d9171d06bdbc94938ee6d

Aliases

arxiv: 2009.12931 · arxiv_version: 2009.12931v4 · doi: 10.48550/arxiv.2009.12931 · pith_short_12: PHNXFOMIAKAM · pith_short_16: PHNXFOMIAKAM4JRG · pith_short_8: PHNXFOMI

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/PHNXFOMIAKAM4JRGYUOTHRBQDZ \
  | 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: 79db72b9880280ce2626c51d33c4301e58cb53efdd7d9171d06bdbc94938ee6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69daa41f898f387e36559c806f7c9cf333da9fcb028b315cc54d8d386935a89f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-09-27T19:50:05Z",
    "title_canon_sha256": "a2fc99b8968b9cdf30b2aa3ca8fb1258582e0ed874906b1cd00f0974f9447575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12931",
    "kind": "arxiv",
    "version": 4
  }
}