Pith Number

pith:UELGPSJI

pith:2018:UELGPSJIDGLJKKL47KFWAJISOM

not attested not anchored not stored refs pending

Image Restoration Using Conditional Random Fields and Scale Mixtures of Gaussians

Jose M. Bioucas-Dias, Mario A.T. Figueiredo, Milad Niknejad

arxiv:1807.03027 v1 · 2018-07-09 · 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{UELGPSJIDGLJKKL47KFWAJISOM}

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	2026-05-18T00:11:13.085874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a11667c928199695297cfa8b602512733348009e7634f82a7bfcb8e30257c129

Aliases

arxiv: 1807.03027 · arxiv_version: 1807.03027v1 · doi: 10.48550/arxiv.1807.03027 · pith_short_12: UELGPSJIDGLJ · pith_short_16: UELGPSJIDGLJKKL4 · pith_short_8: UELGPSJI

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/UELGPSJIDGLJKKL47KFWAJISOM \
  | 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: a11667c928199695297cfa8b602512733348009e7634f82a7bfcb8e30257c129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c27d1e5a766cb60ff0e4082f4e9b41c40730e758ee9af6eb970ccfac4e1113f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-09T10:24:54Z",
    "title_canon_sha256": "74703cbe5d33c665e2aa0ed88c6e85936ec7c21c9212f1939b805dfc8b3b0477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03027",
    "kind": "arxiv",
    "version": 1
  }
}