Pith Number

pith:FPP3HCV5

pith:2014:FPP3HCV5EWQYCLMQDU5ORTI2IT

not attested not anchored not stored refs pending

A Field Guide to Forward-Backward Splitting with a FASTA Implementation

Christoph Studer, Richard Baraniuk, Tom Goldstein

arxiv:1411.3406 v6 · 2014-11-13 · cs.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{FPP3HCV5EWQYCLMQDU5ORTI2IT}

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	2026-05-18T00:53:51.467116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bdfb38abd25a1812d901d3ae8cd1a44cb9408138c56f1e500e22e3a51e10fcb

Aliases

arxiv: 1411.3406 · arxiv_version: 1411.3406v6 · doi: 10.48550/arxiv.1411.3406 · pith_short_12: FPP3HCV5EWQY · pith_short_16: FPP3HCV5EWQYCLMQ · pith_short_8: FPP3HCV5

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/FPP3HCV5EWQYCLMQDU5ORTI2IT \
  | 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: 2bdfb38abd25a1812d901d3ae8cd1a44cb9408138c56f1e500e22e3a51e10fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340d8dc1b2c1107aa9cd78b54028cb98aef947f1617f446f4cadc39dab7ad88d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-11-13T00:38:52Z",
    "title_canon_sha256": "6b234a4c59ca397d4538452bc9e65ce2d1f6e1faa9197ec890752f379fef52b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3406",
    "kind": "arxiv",
    "version": 6
  }
}