Pith Number

pith:Q7AM2SWY

pith:2016:Q7AM2SWYXFRB7PG37PEOFM2K2P

not attested not anchored not stored refs pending

An MM Algorithm for Split Feasibility Problems

Eric C. Chi, Jason Xu, Kenneth Lange, Meng Yang

arxiv:1612.05614 v2 · 2016-12-16 · math.OC · math.NA · stat.CO · 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{Q7AM2SWYXFRB7PG37PEOFM2K2P}

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	2026-05-18T00:52:33.805030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c0cd4ad8b9621fbcdbfbc8e2b34ad3fbfa6ca0d1ee2f135390422dbb0aa679

Aliases

arxiv: 1612.05614 · arxiv_version: 1612.05614v2 · doi: 10.48550/arxiv.1612.05614 · pith_short_12: Q7AM2SWYXFRB · pith_short_16: Q7AM2SWYXFRB7PG3 · pith_short_8: Q7AM2SWY

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/Q7AM2SWYXFRB7PG37PEOFM2K2P \
  | 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: 87c0cd4ad8b9621fbcdbfbc8e2b34ad3fbfa6ca0d1ee2f135390422dbb0aa679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e08ee90a3cec03cc87342896a1fc5ef5955c0b57ea7abfd077c5f8ad7c12923",
    "cross_cats_sorted": [
      "math.NA",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-12-16T20:15:09Z",
    "title_canon_sha256": "f25c71ea8e7d31de32d633476363be4ab44f4a79aa823206982dc58365394dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05614",
    "kind": "arxiv",
    "version": 2
  }
}