Pith Number

pith:E3RVYFW2

pith:2013:E3RVYFW2ZYPQQOF3UH2HET2NT6

not attested not anchored not stored refs pending

Image Denoising Using Tensor Product Complex Tight Framelets with Increasing Directionality

Bin Han, Zhenpeng Zhao

arxiv:1307.2826 v1 · 2013-07-10 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3RVYFW2ZYPQQOF3UH2HET2NT6}

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	2026-05-18T03:18:50.326009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e35c16dace1f0838bba1f4724f4d9fa6a4800fce8e2785bf6b91610f6d6456

Aliases

arxiv: 1307.2826 · arxiv_version: 1307.2826v1 · doi: 10.48550/arxiv.1307.2826 · pith_short_12: E3RVYFW2ZYPQ · pith_short_16: E3RVYFW2ZYPQQOF3 · pith_short_8: E3RVYFW2

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/E3RVYFW2ZYPQQOF3UH2HET2NT6 \
  | 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: 26e35c16dace1f0838bba1f4724f4d9fa6a4800fce8e2785bf6b91610f6d6456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e90d6809188417e9436683eefa612037038ab95bd7e374d1f4d0a443612ac697",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-10T15:21:30Z",
    "title_canon_sha256": "ef36291d7ae4f7eb8eedb3035f0ade0118e33f3b8ee4834e957c7dc070ac616c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2826",
    "kind": "arxiv",
    "version": 1
  }
}