Pith Number

pith:NS4MDKR5

pith:2019:NS4MDKR5D22EFVJB3XWHP6NXU3

not attested not anchored not stored refs pending

Distributed Algorithms for Computing a Common Fixed Point of a Group of Nonexpansive Operators

Gang Feng, Xiuxian Li

arxiv:1902.02481 v1 · 2019-02-07 · 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{NS4MDKR5D22EFVJB3XWHP6NXU3}

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	2026-05-17T23:54:33.178236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb8c1aa3d1eb442d521ddec77f9b7a6dcfc60379b9d566d5714818fe929610b

Aliases

arxiv: 1902.02481 · arxiv_version: 1902.02481v1 · doi: 10.48550/arxiv.1902.02481 · pith_short_12: NS4MDKR5D22E · pith_short_16: NS4MDKR5D22EFVJB · pith_short_8: NS4MDKR5

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/NS4MDKR5D22EFVJB3XWHP6NXU3 \
  | 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: 6cb8c1aa3d1eb442d521ddec77f9b7a6dcfc60379b9d566d5714818fe929610b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "974cb4e16f1e741a386370a74cc99cd1edf8483f503355946057856c0ef45801",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-07T05:46:37Z",
    "title_canon_sha256": "15762e7b6efb843c86ab22ad54927f919380de492a4fadf4cc31f774e5ec7e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02481",
    "kind": "arxiv",
    "version": 1
  }
}