Pith Number

pith:PDFQ6COB

pith:2019:PDFQ6COB3SNX2L647QP23FA3W7

not attested not anchored not stored refs pending

Unsupervised Deep Feature Transfer for Low Resolution Image Classification

Guanghui Wang, Yuanwei Wu, Ziming Zhang

arxiv:1908.10012 v2 · 2019-08-27 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDFQ6COB3SNX2L647QP23FA3W7}

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	2026-07-05T00:13:16.242072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78cb0f09c1dc9b7d2fdcfc1fad941bb7d4c9c4ddbc8702af4b028201c7c29fd5

Aliases

arxiv: 1908.10012 · arxiv_version: 1908.10012v2 · doi: 10.48550/arxiv.1908.10012 · pith_short_12: PDFQ6COB3SNX · pith_short_16: PDFQ6COB3SNX2L64 · pith_short_8: PDFQ6COB

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/PDFQ6COB3SNX2L647QP23FA3W7 \
  | 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: 78cb0f09c1dc9b7d2fdcfc1fad941bb7d4c9c4ddbc8702af4b028201c7c29fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5d21eeb744ab225e95c10215e4b6e15c307013f8058ed594feb508d7eaf1fd",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-27T04:06:02Z",
    "title_canon_sha256": "f8b5e033745bd7658dfc6e145e10484f0d18c48580a5c85acfac7333d3d99c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10012",
    "kind": "arxiv",
    "version": 2
  }
}