Pith Number

pith:3KPPJ57U

pith:2017:3KPPJ57U7HSHAYAA2PA2Y6BVJN

not attested not anchored not stored refs pending

Colorization as a Proxy Task for Visual Understanding

Gregory Shakhnarovich, Gustav Larsson, Michael Maire

arxiv:1703.04044 v3 · 2017-03-11 · 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{3KPPJ57U7HSHAYAA2PA2Y6BVJN}

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	2026-05-18T00:38:08.897971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da9ef4f7f4f9e4706000d3c1ac78354b655300266d0d1042df9d5c77169e0a8e

Aliases

arxiv: 1703.04044 · arxiv_version: 1703.04044v3 · doi: 10.48550/arxiv.1703.04044 · pith_short_12: 3KPPJ57U7HSH · pith_short_16: 3KPPJ57U7HSHAYAA · pith_short_8: 3KPPJ57U

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/3KPPJ57U7HSHAYAA2PA2Y6BVJN \
  | 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: da9ef4f7f4f9e4706000d3c1ac78354b655300266d0d1042df9d5c77169e0a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0c3c83f27c4133f86e3d5f53293c619b0bdf8d4d900833094045636d4f2105",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-11T23:32:59Z",
    "title_canon_sha256": "e1093356f51dfa23daabc636943435c5a51f09b5bc944d8f4685ac626db7f6b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04044",
    "kind": "arxiv",
    "version": 3
  }
}