Pith Number

pith:3VAJLH4J

pith:2019:3VAJLH4JAHHPOWWMBLN2F26CSP

not attested not anchored not stored refs pending

Blended Matching Pursuit

Cyrille W. Combettes, Sebastian Pokutta

arxiv:1904.12335 v3 · 2019-04-28 · math.OC · cs.CC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VAJLH4JAHHPOWWMBLN2F26CSP}

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	2026-07-05T00:20:31.203627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd40959f8901cef75acc0adba2ebc293c1ff260aed993f33669ca474909fcb1b

Aliases

arxiv: 1904.12335 · arxiv_version: 1904.12335v3 · doi: 10.48550/arxiv.1904.12335 · pith_short_12: 3VAJLH4JAHHP · pith_short_16: 3VAJLH4JAHHPOWWM · pith_short_8: 3VAJLH4J

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/3VAJLH4JAHHPOWWMBLN2F26CSP \
  | 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: dd40959f8901cef75acc0adba2ebc293c1ff260aed993f33669ca474909fcb1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b0e91f06f2acdd810496318a11b0631bd01711f6583d741ac5bcf0163ac548",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-04-28T15:28:13Z",
    "title_canon_sha256": "9e8647e9621fb2be0a897be3f7797ca50a29ab3091004eebb6873549ba7dfbf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12335",
    "kind": "arxiv",
    "version": 3
  }
}