Pith Number

pith:3S3TGAY4

pith:2018:3S3TGAY4G6JUDY65YV65OAW2CT

not attested not anchored not stored refs pending

Alpha-rooting color image enhancement method by two-side 2-D quaternion discrete Fourier transform followed by spatial transformation

Aparna John, Artyom M. Grigoryan, Sos S. Agaian

arxiv:1807.07960 v1 · 2018-07-20 · 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{3S3TGAY4G6JUDY65YV65OAW2CT}

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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	2026-05-18T00:10:14.598664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb733031c379341e3ddc57dd702da14d6d4fcf563874e30e25aa5ced4780000

Aliases

arxiv: 1807.07960 · arxiv_version: 1807.07960v1 · doi: 10.48550/arxiv.1807.07960 · pith_short_12: 3S3TGAY4G6JU · pith_short_16: 3S3TGAY4G6JUDY65 · pith_short_8: 3S3TGAY4

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/3S3TGAY4G6JUDY65YV65OAW2CT \
  | 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: dcb733031c379341e3ddc57dd702da14d6d4fcf563874e30e25aa5ced4780000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e17b8210dddb82c85f3e435e83d09a57124177289c8f8adf4ec74e9653d695b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-07-20T03:17:43Z",
    "title_canon_sha256": "2975f4ff988184438ed5a6356c3a7f8c96349440dc98d9a5f8ca83e3302f6e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07960",
    "kind": "arxiv",
    "version": 1
  }
}