Pith Number

pith:FQ4FDHQT

pith:2015:FQ4FDHQTQDJEWVJHFIUH5MHDCL

not attested not anchored not stored refs pending

MRF Optimization by Graph Approximation

Kyoung Mu Lee, Wonsik Kim

arxiv:1505.03365 v1 · 2015-05-13 · 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{FQ4FDHQTQDJEWVJHFIUH5MHDCL}

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	2026-05-18T02:12:09.404438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c38519e1380d24b55272a287eb0e312d6ea308dc1ff81f6d85eb0a2353e7a25

Aliases

arxiv: 1505.03365 · arxiv_version: 1505.03365v1 · doi: 10.48550/arxiv.1505.03365 · pith_short_12: FQ4FDHQTQDJE · pith_short_16: FQ4FDHQTQDJEWVJH · pith_short_8: FQ4FDHQT

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/FQ4FDHQTQDJEWVJHFIUH5MHDCL \
  | 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: 2c38519e1380d24b55272a287eb0e312d6ea308dc1ff81f6d85eb0a2353e7a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cbbd90c1d74047c4a8f8be73918239991ee15bf5add726ad97c57d73ff7ef43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-13T13:05:05Z",
    "title_canon_sha256": "160b09abe18a8878821e7b3270c1c18f0912c07aff3c2adb77f89372b42df99b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03365",
    "kind": "arxiv",
    "version": 1
  }
}