Pith Number

pith:2HEG4I77

pith:2021:2HEG4I77UIOGXE6BDRRK3H6S7G

not attested not anchored not stored refs pending

GhostSR: Learning Ghost Features for Efficient Image Super-Resolution

Chuanjian Liu, Kai Han, Ying Nie, Yunhe Wang, Zhenhua Liu

arxiv:2101.08525 v2 · 2021-01-21 · 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{2HEG4I77UIOGXE6BDRRK3H6S7G}

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	2026-07-05T04:49:10.443863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c86e23ffa21c6b93c11c62ad9fd2f992b436956378a6b56c8cd05e18d86de7

Aliases

arxiv: 2101.08525 · arxiv_version: 2101.08525v2 · doi: 10.48550/arxiv.2101.08525 · pith_short_12: 2HEG4I77UIOG · pith_short_16: 2HEG4I77UIOGXE6B · pith_short_8: 2HEG4I77

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/2HEG4I77UIOGXE6BDRRK3H6S7G \
  | 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: d1c86e23ffa21c6b93c11c62ad9fd2f992b436956378a6b56c8cd05e18d86de7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f78cb63756372073ae5d487fe4483ca3779c8d2a233b6a160a39f2ab84af96",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-01-21T10:09:47Z",
    "title_canon_sha256": "98b895ac682795240edb9d364aa8ce4fd43005fae4c989b18a746ba23ec8348a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08525",
    "kind": "arxiv",
    "version": 2
  }
}