Pith Number

pith:UNR3QLUD

pith:2015:UNR3QLUDCEUY5X2DGB4PEUWR7U

not attested not anchored not stored refs pending

Error Estimates for Approximating Best Proximity Points for Cyclic Contractive Maps

Boyan Zlatanov

arxiv:1504.02595 v3 · 2015-04-10 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNR3QLUDCEUY5X2DGB4PEUWR7U}

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	2026-05-18T01:14:53.224964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a363b82e8311298edf433078f252d1fd1d032e317159753dbe9f4033f95eed72

Aliases

arxiv: 1504.02595 · arxiv_version: 1504.02595v3 · doi: 10.48550/arxiv.1504.02595 · pith_short_12: UNR3QLUDCEUY · pith_short_16: UNR3QLUDCEUY5X2D · pith_short_8: UNR3QLUD

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/UNR3QLUDCEUY5X2DGB4PEUWR7U \
  | 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: a363b82e8311298edf433078f252d1fd1d032e317159753dbe9f4033f95eed72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea96ac6d9a5d497efdee7529a218b380a18eee0499684f8a4de6427cafd83811",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-04-10T09:05:56Z",
    "title_canon_sha256": "da08f6792f4a1cfc59f473545a4a2f354f4998ab9c10d5dd4231a2eb3d2ecb22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02595",
    "kind": "arxiv",
    "version": 3
  }
}