Pith Number

pith:PHHRJV3J

pith:2016:PHHRJV3J5CHYEHIN2UH7H7GRNN

not attested not anchored not stored refs pending

Another look at the fast iterative shrinkage/thresholding algorithm (FISTA)

Donghwan Kim, Jeffrey A. Fessler

arxiv:1608.03861 v5 · 2016-08-12 · 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{PHHRJV3J5CHYEHIN2UH7H7GRNN}

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	2026-05-17T23:43:28.797264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79cf14d769e88f821d0dd50ff3fcd16b5a7c17fbb00abf2064b0279174837909

Aliases

arxiv: 1608.03861 · arxiv_version: 1608.03861v5 · doi: 10.48550/arxiv.1608.03861 · pith_short_12: PHHRJV3J5CHY · pith_short_16: PHHRJV3J5CHYEHIN · pith_short_8: PHHRJV3J

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/PHHRJV3J5CHYEHIN2UH7H7GRNN \
  | 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: 79cf14d769e88f821d0dd50ff3fcd16b5a7c17fbb00abf2064b0279174837909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071d3857344613866c282a2152a45d6467ab9a58b5dc48d207b3a7badc6fe6ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-08-12T18:02:13Z",
    "title_canon_sha256": "ad03a68d774ceb3b642e8e3c6b04e480f9c960ee43fecc00d78af34dc3dee7ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03861",
    "kind": "arxiv",
    "version": 5
  }
}