Pith Number

pith:PK56HFUS

pith:2016:PK56HFUSFSAQKQAILV4WGYEZGP

not attested not anchored not stored refs pending

Accelerating cross-validation with total variation and its application to super-resolution imaging

Kazunori Akiyama, Shiro Ikeda, Tomoyuki Obuchi, Yoshiyuki Kabashima

arxiv:1611.07197 v2 · 2016-11-22 · stat.ME · astro-ph.GA · cond-mat.dis-nn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PK56HFUSFSAQKQAILV4WGYEZGP}

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	2026-05-18T00:28:16.397473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7abbe396922c810540085d7963609933fcc4623266bd07aa919203616e13cc64

Aliases

arxiv: 1611.07197 · arxiv_version: 1611.07197v2 · doi: 10.48550/arxiv.1611.07197 · pith_short_12: PK56HFUSFSAQ · pith_short_16: PK56HFUSFSAQKQAI · pith_short_8: PK56HFUS

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/PK56HFUSFSAQKQAILV4WGYEZGP \
  | 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: 7abbe396922c810540085d7963609933fcc4623266bd07aa919203616e13cc64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257192c607d7b888343051b050e0e7ec44952e5e0215558570bbf1be72e7da63",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cond-mat.dis-nn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-11-22T08:47:31Z",
    "title_canon_sha256": "9743eebc1981d41e42a7b199cd48101f08ac9c5de67da1c796b28f0b444fa0fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07197",
    "kind": "arxiv",
    "version": 2
  }
}