Pith Number

pith:VB2XGV72

pith:2015:VB2XGV72X7IQQ5QQFI6V6UBIUK

not attested not anchored not stored refs pending

Color Constancy by Learning to Predict Chromaticity from Luminance

Ayan Chakrabarti

arxiv:1506.02167 v2 · 2015-06-06 · 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{VB2XGV72X7IQQ5QQFI6V6UBIUK}

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	2026-05-18T01:25:11.741012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8757357fabfd10876102a3d5f5028a2ab0d530d319e8b0d713ea41051f5722b

Aliases

arxiv: 1506.02167 · arxiv_version: 1506.02167v2 · doi: 10.48550/arxiv.1506.02167 · pith_short_12: VB2XGV72X7IQ · pith_short_16: VB2XGV72X7IQQ5QQ · pith_short_8: VB2XGV72

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/VB2XGV72X7IQQ5QQFI6V6UBIUK \
  | 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: a8757357fabfd10876102a3d5f5028a2ab0d530d319e8b0d713ea41051f5722b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8786e3ddc0b9fa370cf52056de082a20f8b969e6dc6afabc84b38b5cdfd4ef00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-06-06T16:13:34Z",
    "title_canon_sha256": "ee850be651d5c168c0eab05b15c03bdc4d20b7db57afc2284bff3e2b6b66b1ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02167",
    "kind": "arxiv",
    "version": 2
  }
}