Pith Number

pith:54AQHQGP

pith:2017:54AQHQGPZC4JRIVGUFVATLZDTD

not attested not anchored not stored refs pending

Joint Dictionary Learning for Example-based Image Super-resolution

Mohsen Joneidi, Mojtaba Sahraee-Ardakan

arxiv:1701.03420 v1 · 2017-01-12 · 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{54AQHQGPZC4JRIVGUFVATLZDTD}

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	2026-05-18T00:52:55.920490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef0103c0cfc8b898a2a6a16a09af2398cad8d96ff0d7cd16d5e5966c3cff6e2a

Aliases

arxiv: 1701.03420 · arxiv_version: 1701.03420v1 · doi: 10.48550/arxiv.1701.03420 · pith_short_12: 54AQHQGPZC4J · pith_short_16: 54AQHQGPZC4JRIVG · pith_short_8: 54AQHQGP

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/54AQHQGPZC4JRIVGUFVATLZDTD \
  | 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: ef0103c0cfc8b898a2a6a16a09af2398cad8d96ff0d7cd16d5e5966c3cff6e2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fb3fa5f318d9fe07ed8584c570a83612a0ec93b81c464f65ed59286910d3d4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-12T17:21:46Z",
    "title_canon_sha256": "9d745df28df2f8c0568bc8669766754f6e429f72d3f314aeab04e8cc382f002e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03420",
    "kind": "arxiv",
    "version": 1
  }
}