Pith Number

pith:3YN7VRBY

pith:2016:3YN7VRBYEVE7JINTDLSV47RWS5

not attested not anchored not stored refs pending

Towards an Automated Image De-fencing Algorithm Using Sparsity

Krishna K. Nakka, Rajiv R. Sahay, Sankaraganesh Jonna

arxiv:1612.03273 v1 · 2016-12-10 · 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{3YN7VRBYEVE7JINTDLSV47RWS5}

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	2026-05-18T00:55:19.765856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de1bfac4382549f4a1b31ae55e7e3697733660bcfdf8b490c26c1f9cd2d0939e

Aliases

arxiv: 1612.03273 · arxiv_version: 1612.03273v1 · doi: 10.48550/arxiv.1612.03273 · pith_short_12: 3YN7VRBYEVE7 · pith_short_16: 3YN7VRBYEVE7JINT · pith_short_8: 3YN7VRBY

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/3YN7VRBYEVE7JINTDLSV47RWS5 \
  | 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: de1bfac4382549f4a1b31ae55e7e3697733660bcfdf8b490c26c1f9cd2d0939e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23b37174d0aabcfa88d028bcde103a1e10c09bcee4d701f5746b2d38b7bb1f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-10T10:07:24Z",
    "title_canon_sha256": "849cee6fe7c2fbb9740432fc667c3e895fb34935d1e139268e9d2a3121b065ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03273",
    "kind": "arxiv",
    "version": 1
  }
}