Pith Number

pith:2S5L66SB

pith:2011:2S5L66SBLDLYHQCSZJLW26J5ZB

not attested not anchored not stored refs pending

Controlled Total Variation regularization for inverse problems

Ion Grama, Qiyu Jin, Quansheng Liu

arxiv:1110.3194 v1 · 2011-10-14 · 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{2S5L66SBLDLYHQCSZJLW26J5ZB}

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	2026-05-18T04:10:57.808281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4babf7a4158d783c052ca576d793dc86363d254a2212df3b96cbd74d2bb14f7

Aliases

arxiv: 1110.3194 · arxiv_version: 1110.3194v1 · doi: 10.48550/arxiv.1110.3194 · pith_short_12: 2S5L66SBLDLY · pith_short_16: 2S5L66SBLDLYHQCS · pith_short_8: 2S5L66SB

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/2S5L66SBLDLYHQCSZJLW26J5ZB \
  | 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: d4babf7a4158d783c052ca576d793dc86363d254a2212df3b96cbd74d2bb14f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba6f425233c26a6459f9a77bf6bc1b9664a876c67688347a1f596510e708cdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-10-14T13:02:36Z",
    "title_canon_sha256": "7c6883ae6150d20454a82e368992fb4def9cb6247e69db9cea766060a935c163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3194",
    "kind": "arxiv",
    "version": 1
  }
}