Pith Number

pith:FG3SFSFW

pith:2018:FG3SFSFWR3KGVVKUXE2RQGRHSL

not attested not anchored not stored refs pending

Improving Performance of Iterative Methods by Lossy Checkponting

Dingwen Tao, Franck Cappello, Sheng Di, Xin Liang, Zizhong Chen

arxiv:1804.11268 v4 · 2018-04-30 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FG3SFSFWR3KGVVKUXE2RQGRHSL}

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	2026-05-18T00:14:44.005572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b722c8b68ed46ad554b935181a2792c8d182635c53b064b271dbf9c7985bfa

Aliases

arxiv: 1804.11268 · arxiv_version: 1804.11268v4 · doi: 10.48550/arxiv.1804.11268 · pith_short_12: FG3SFSFWR3KG · pith_short_16: FG3SFSFWR3KGVVKU · pith_short_8: FG3SFSFW

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/FG3SFSFWR3KGVVKUXE2RQGRHSL \
  | 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: 29b722c8b68ed46ad554b935181a2792c8d182635c53b064b271dbf9c7985bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1224ebdd2909aa85769314cd3820f7b5a2c6c1d29ed1cf0a196aec225ddf3332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-04-30T15:12:32Z",
    "title_canon_sha256": "689958581d22a6295f750eea0d28bedce4f03cbc9ac7c2c37d7afc8c877f56da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11268",
    "kind": "arxiv",
    "version": 4
  }
}