Pith Number

pith:6EQYMJOM

pith:2023:6EQYMJOMYOSLX7DEMRAQYKLK5P

not attested not anchored not stored refs pending

The Color Clifford Hardy Signal: Application to Color Edge Detection and Optical Flow

Cuiming Zou, Dong Cheng, Kit Ian Kou, Xiaoxiao Hu

arxiv:2308.06485 v1 · 2023-08-12 · 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{6EQYMJOMYOSLX7DEMRAQYKLK5P}

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	2026-07-05T06:40:40.933562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1218625ccc3a4bbfc6464410c296aebdf36ace59900236b84d3791acef6235e

Aliases

arxiv: 2308.06485 · arxiv_version: 2308.06485v1 · doi: 10.48550/arxiv.2308.06485 · pith_short_12: 6EQYMJOMYOSL · pith_short_16: 6EQYMJOMYOSLX7DE · pith_short_8: 6EQYMJOM

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/6EQYMJOMYOSLX7DEMRAQYKLK5P \
  | 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: f1218625ccc3a4bbfc6464410c296aebdf36ace59900236b84d3791acef6235e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e246470feb7432ccf90ce05e21dc2a6cd1848dca34c4bbcc63b7216d51175e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-08-12T06:52:04Z",
    "title_canon_sha256": "a63772236fd3957b3300fc49f62a0a4cb1558e01710d80651d8f498e41528eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.06485",
    "kind": "arxiv",
    "version": 1
  }
}