Pith Number

pith:DSFLKRPZ

pith:2011:DSFLKRPZXTGCZVGINOPVRU63LR

not attested not anchored not stored refs pending

Implementation of an Optimal First-Order Method for Strongly Convex Total Variation Regularization

Jakob Heide J{\o}rgensen, Per Christian Hansen, S{\o}ren Holdt Jensen, Tobias Lindstr{\o}m Jensen

arxiv:1105.3723 v1 · 2011-05-18 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSFLKRPZXTGCZVGINOPVRU63LR}

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	2026-05-18T04:21:51.986377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c8ab545f9bccc2cd4c86b9f58d3db5c57b821e90e65edeeb49e8d23f9b3f557

Aliases

arxiv: 1105.3723 · arxiv_version: 1105.3723v1 · doi: 10.48550/arxiv.1105.3723 · pith_short_12: DSFLKRPZXTGC · pith_short_16: DSFLKRPZXTGCZVGI · pith_short_8: DSFLKRPZ

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/DSFLKRPZXTGCZVGINOPVRU63LR \
  | 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: 1c8ab545f9bccc2cd4c86b9f58d3db5c57b821e90e65edeeb49e8d23f9b3f557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecc02df39b40614575f8676bb98bd8290368e5342d7684dd6efc5262a9aa4f7c",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-05-18T19:57:12Z",
    "title_canon_sha256": "0bad463c2c082efbb3d8f08171fc5cbd2fab3245c6ab81e26d3cb040b1b083fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3723",
    "kind": "arxiv",
    "version": 1
  }
}