Pith Number

pith:CFI2VJ4R

pith:2014:CFI2VJ4RZIRWJUHRTEL2HHCFGY

not attested not anchored not stored refs pending

Strict Fej\'er Monotonicity by Superiorization of Feasibility-Seeking Projection Methods

Alexander J. Zaslavski, Yair Censor

arxiv:1405.7121 v1 · 2014-05-28 · 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{CFI2VJ4RZIRWJUHRTEL2HHCFGY}

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	2026-05-18T02:50:59.140808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1151aaa791ca2364d0f19917a39c4536081beb6349b392b66830dba7593e8f15

Aliases

arxiv: 1405.7121 · arxiv_version: 1405.7121v1 · doi: 10.48550/arxiv.1405.7121 · pith_short_12: CFI2VJ4RZIRW · pith_short_16: CFI2VJ4RZIRWJUHR · pith_short_8: CFI2VJ4R

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/CFI2VJ4RZIRWJUHRTEL2HHCFGY \
  | 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: 1151aaa791ca2364d0f19917a39c4536081beb6349b392b66830dba7593e8f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f455c74f74dec27b68d764b83f44162f5151da80d102a46487d914d9cb1e8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-05-28T05:50:13Z",
    "title_canon_sha256": "dbad7685cc1b79b07b351f2efb45d19843b2cd3e4d7bb99688af9c02116610c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7121",
    "kind": "arxiv",
    "version": 1
  }
}