Pith Number

pith:GLDCWHB2

pith:2021:GLDCWHB2WOO3UVFUFSN77ZJSWX

not attested not anchored not stored refs pending

Revisiting Local Descriptor for Improved Few-Shot Classification

Jun He, Mingliang Xu, Qianru Sun, Richang Hong, Xueliang Liu

arxiv:2103.16009 v2 · 2021-03-30 · 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{GLDCWHB2WOO3UVFUFSN77ZJSWX}

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	2026-07-05T03:58:01.911071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32c62b1c3ab39dba54b42c9bffe532b5c8bbc3dcefb62796aaf815b44133052e

Aliases

arxiv: 2103.16009 · arxiv_version: 2103.16009v2 · doi: 10.48550/arxiv.2103.16009 · pith_short_12: GLDCWHB2WOO3 · pith_short_16: GLDCWHB2WOO3UVFU · pith_short_8: GLDCWHB2

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/GLDCWHB2WOO3UVFUFSN77ZJSWX \
  | 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: 32c62b1c3ab39dba54b42c9bffe532b5c8bbc3dcefb62796aaf815b44133052e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4058e9e5417134fa737b0504a24d918b558cb700af4cc8b3cf72f1668bb45ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-30T00:48:28Z",
    "title_canon_sha256": "b5a5734c48002d307f3d55c5c449c817ab3b3a26d90705976e8deb59173dbb07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16009",
    "kind": "arxiv",
    "version": 2
  }
}