Pith Number

pith:S7DRR24G

pith:2019:S7DRR24G2A3IW2OR2MRRSKCWBC

not attested not anchored not stored refs pending

Some remarks on "Convergence of Picard's iteration using projection algorithm for noncyclic contractions" [Indag. Math. 30 (2019) 227--239]

Hans-Peter A. K\"unzi, Moosa Gabeleh

arxiv:1907.01494 v1 · 2019-07-02 · 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{S7DRR24G2A3IW2OR2MRRSKCWBC}

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	2026-05-17T23:41:16.981240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c718eb86d0368b69d1d32319285608bb7a873ca9c76ef81f9e688df7d42391

Aliases

arxiv: 1907.01494 · arxiv_version: 1907.01494v1 · doi: 10.48550/arxiv.1907.01494 · pith_short_12: S7DRR24G2A3I · pith_short_16: S7DRR24G2A3IW2OR · pith_short_8: S7DRR24G

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/S7DRR24G2A3IW2OR2MRRSKCWBC \
  | 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: 97c718eb86d0368b69d1d32319285608bb7a873ca9c76ef81f9e688df7d42391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15d2f6828dc79554a9b2e38a1d432a96047f4f90ff42abb112184e541dc7986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-07-02T16:57:11Z",
    "title_canon_sha256": "3aac75432626583f0cc405bf5aba7c9a09eed796db4220d3653989c2208d9682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01494",
    "kind": "arxiv",
    "version": 1
  }
}