Pith Number

pith:I6GSDZEP

pith:2014:I6GSDZEPSG4QBJM4JYRUWQTZXT

not attested not anchored not stored refs pending

The simplified topological $\varepsilon$--algorithms for accelerating sequences in a vector space

Claude Brezinski, Michela Redivo-Zaglia

arxiv:1402.2473 v2 · 2014-02-11 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6GSDZEPSG4QBJM4JYRUWQTZXT}

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	2026-05-18T02:59:17.757030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478d21e48f91b900a59c4e234b4279bcf5080c4d0aec207c8d6641ed0adb9fb8

Aliases

arxiv: 1402.2473 · arxiv_version: 1402.2473v2 · doi: 10.48550/arxiv.1402.2473 · pith_short_12: I6GSDZEPSG4Q · pith_short_16: I6GSDZEPSG4QBJM4 · pith_short_8: I6GSDZEP

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/I6GSDZEPSG4QBJM4JYRUWQTZXT \
  | 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: 478d21e48f91b900a59c4e234b4279bcf5080c4d0aec207c8d6641ed0adb9fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a098ac19322ddba6b2752b91a044849b9cd8475d0355e62c18f2f00716abd1df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-02-11T12:36:34Z",
    "title_canon_sha256": "7cd8d517881ee062ecf3f0f01d5feae308539a80ace0210b321311e3b0c965dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2473",
    "kind": "arxiv",
    "version": 2
  }
}