Pith Number

pith:AER7LRK6

pith:2017:AER7LRK6M56ZQHMHN6ICFAIDV7

not attested not anchored not stored refs pending

A wavelet frame coefficient total variational model for image restoration

Chuanjiang He, Shengli Zhang, Wei Wang, Xiang-Gen Xia

arxiv:1708.07601 v2 · 2017-08-25 · 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{AER7LRK6M56ZQHMHN6ICFAIDV7}

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	2026-05-18T00:23:53.142718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0123f5c55e677d981d876f90228103afcb9edd1733a028c243d929ccb807a4d8

Aliases

arxiv: 1708.07601 · arxiv_version: 1708.07601v2 · doi: 10.48550/arxiv.1708.07601 · pith_short_12: AER7LRK6M56Z · pith_short_16: AER7LRK6M56ZQHMH · pith_short_8: AER7LRK6

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/AER7LRK6M56ZQHMHN6ICFAIDV7 \
  | 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: 0123f5c55e677d981d876f90228103afcb9edd1733a028c243d929ccb807a4d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e892a32076702b1c623052ea75df2bfd2c8fdcd335450e59e7affff13c08b65c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-25T02:22:23Z",
    "title_canon_sha256": "0b21c5001c0876895524af8d1c954def71740403298ca53cd504cc0edb64e2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07601",
    "kind": "arxiv",
    "version": 2
  }
}