Pith Number

pith:W5YPVXSV

pith:2012:W5YPVXSVKGLN75UIZLD5SWZQIR

not attested not anchored not stored refs pending

Color Constancy based on Image Similarity via Bilayer Sparse Coding

Bing Li, Weihua Xiong, Weiming Hu

arxiv:1207.3142 v2 · 2012-07-13 · 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{W5YPVXSVKGLN75UIZLD5SWZQIR}

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	2026-05-18T03:41:20.054466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b770fade555196dff688cac7d95b30446631a64c0e6bc21a3625943cf122866f

Aliases

arxiv: 1207.3142 · arxiv_version: 1207.3142v2 · doi: 10.48550/arxiv.1207.3142 · pith_short_12: W5YPVXSVKGLN · pith_short_16: W5YPVXSVKGLN75UI · pith_short_8: W5YPVXSV

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/W5YPVXSVKGLN75UIZLD5SWZQIR \
  | 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: b770fade555196dff688cac7d95b30446631a64c0e6bc21a3625943cf122866f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e2d51ed33b06f1fae30d680696256a06f51c13e832e7b0522a2f914d7b243a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-07-13T04:46:19Z",
    "title_canon_sha256": "3455bbfcb1d0efa4122ccb8ed5c42a637677f2598c1deb5db0e09a3a3cabeed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3142",
    "kind": "arxiv",
    "version": 2
  }
}