Pith Number

pith:WDM2SXIL

pith:2020:WDM2SXILH3MQAVI2NVXNCJ2XSK

not attested not anchored not stored refs pending

Gradient-based Feature Extraction From Raw Bayer Pattern Images

Ling Zhang, Shengyu Gao, Wei Zhou, Xin Lou

arxiv:2004.02429 v3 · 2020-04-06 · 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{WDM2SXILH3MQAVI2NVXNCJ2XSK}

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	2026-07-05T03:26:36.686584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d9a95d0b3ed900551a6d6ed12757928903d8481c5d2545b3f5f7cdae954a36

Aliases

arxiv: 2004.02429 · arxiv_version: 2004.02429v3 · doi: 10.48550/arxiv.2004.02429 · pith_short_12: WDM2SXILH3MQ · pith_short_16: WDM2SXILH3MQAVI2 · pith_short_8: WDM2SXIL

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/WDM2SXILH3MQAVI2NVXNCJ2XSK \
  | 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: b0d9a95d0b3ed900551a6d6ed12757928903d8481c5d2545b3f5f7cdae954a36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eafb0b280f8b544be590c553982d6e71ff9c54aa1cd85bd17f3de70cd1509db5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-06T06:49:43Z",
    "title_canon_sha256": "16ded285fe9d6a44d46bbd8e3825bcf8bb92d2d990be431bd595aa8b2557a7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02429",
    "kind": "arxiv",
    "version": 3
  }
}