Pith Number

pith:MWMLFVAY

pith:2015:MWMLFVAYTPF4F67DRQPDQZOKEU

not attested not anchored not stored refs pending

FASTA: A Generalized Implementation of Forward-Backward Splitting

Christoph Studer, Richard Baraniuk, Tom Goldstein

arxiv:1501.04979 v3 · 2015-01-16 · cs.MS · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MWMLFVAYTPF4F67DRQPDQZOKEU}

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	2026-05-18T01:22:14.723212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6598b2d4189bcbc2fbe38c1e3865ca25182a57d9b408794c94ed5bd1b953b62e

Aliases

arxiv: 1501.04979 · arxiv_version: 1501.04979v3 · doi: 10.48550/arxiv.1501.04979 · pith_short_12: MWMLFVAYTPF4 · pith_short_16: MWMLFVAYTPF4F67D · pith_short_8: MWMLFVAY

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/MWMLFVAYTPF4F67DRQPDQZOKEU \
  | 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: 6598b2d4189bcbc2fbe38c1e3865ca25182a57d9b408794c94ed5bd1b953b62e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234376459d706e3469a5f03d723da8430c6785eefbb32a33f46edcdad8b0d310",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2015-01-16T01:22:55Z",
    "title_canon_sha256": "17100a100b426c9afe5ab62c60b30a8687c2f5a729c46b6521c9975646f50aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04979",
    "kind": "arxiv",
    "version": 3
  }
}