Pith Number

pith:ISVGU2IP

pith:2014:ISVGU2IPYALZY7GCYZFUMXIP3K

not attested not anchored not stored refs pending

Real-time Decolorization using Dominant Colors

Fan Zhang, Qian Du, Wei Hu, Wei Li

arxiv:1404.2728 v2 · 2014-04-10 · cs.GR · 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{ISVGU2IPYALZY7GCYZFUMXIP3K}

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	2026-05-18T02:53:39.449340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44aa6a690fc0179c7cc2c64b465d0fdaaaee5d3aa47f556b57d5d7641433278c

Aliases

arxiv: 1404.2728 · arxiv_version: 1404.2728v2 · doi: 10.48550/arxiv.1404.2728 · pith_short_12: ISVGU2IPYALZ · pith_short_16: ISVGU2IPYALZY7GC · pith_short_8: ISVGU2IP

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/ISVGU2IPYALZY7GCYZFUMXIP3K \
  | 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: 44aa6a690fc0179c7cc2c64b465d0fdaaaee5d3aa47f556b57d5d7641433278c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36e77bdab51e7cf4977b804c8af268428acd5401bcfb41428bb8b8d18e52166",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2014-04-10T08:25:20Z",
    "title_canon_sha256": "78502c68bf3e4cbc94e2db53dbc4ed1c4bbcc35e22401f9ee88802c40a0d18d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2728",
    "kind": "arxiv",
    "version": 2
  }
}