Pith Number

pith:QU6H6XIR

pith:2020:QU6H6XIRLMH2PK4APT4Z4L4KSY

not attested not anchored not stored refs pending

HDF: Hybrid Deep Features for Scene Image Representation

Anish Basnet, Chiranjibi Sitaula, Sunil Aryal, Xuequan Lu, Yong Xiang

arxiv:2003.09773 v1 · 2020-03-22 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QU6H6XIRLMH2PK4APT4Z4L4KSY}

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	2026-07-05T01:41:51.518402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

853c7f5d115b0fa7ab807cf99e2f8a963dbf79f198799242a2a3bac336522071

Aliases

arxiv: 2003.09773 · arxiv_version: 2003.09773v1 · doi: 10.48550/arxiv.2003.09773 · pith_short_12: QU6H6XIRLMH2 · pith_short_16: QU6H6XIRLMH2PK4A · pith_short_8: QU6H6XIR

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/QU6H6XIRLMH2PK4APT4Z4L4KSY \
  | 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: 853c7f5d115b0fa7ab807cf99e2f8a963dbf79f198799242a2a3bac336522071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04cd6841b32a60aba4cad757cd2f360ea2283865cbbae58b00f97ccd779dae2d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-22T01:05:08Z",
    "title_canon_sha256": "2fefef58e77d1e9335fad8083589720a14c800258e8a57a263fdbe4a9f1f20a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09773",
    "kind": "arxiv",
    "version": 1
  }
}