Pith Number

pith:IKMSPMY2

pith:2012:IKMSPMY2YV5SJKIN4SMFFRIE53

not attested not anchored not stored refs pending

Improving Perceptual Color Difference using Basic Color Terms

Michael Werman, Ofir Pele

arxiv:1211.5556 v1 · 2012-11-23 · cs.CV · cs.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKMSPMY2YV5SJKIN4SMFFRIE53}

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	2026-05-18T03:40:04.063029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429927b31ac57b24a90de49852c504eeda9c6258e7f2900a06d7a2822d548c0d

Aliases

arxiv: 1211.5556 · arxiv_version: 1211.5556v1 · doi: 10.48550/arxiv.1211.5556 · pith_short_12: IKMSPMY2YV5S · pith_short_16: IKMSPMY2YV5SJKIN · pith_short_8: IKMSPMY2

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/IKMSPMY2YV5SJKIN4SMFFRIE53 \
  | 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: 429927b31ac57b24a90de49852c504eeda9c6258e7f2900a06d7a2822d548c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec39c115d8dae5872d4f1ee5350706369f5efee3ac6351014ec57daf6be2033",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-11-23T17:13:07Z",
    "title_canon_sha256": "2b69e15b0d89f121733bcaf35f23299efcb0cbe24106d6b4b43d8fd54c8c3298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5556",
    "kind": "arxiv",
    "version": 1
  }
}