Pith Number

pith:SWIAUYDZ

pith:2015:SWIAUYDZGXZPM4PLLJMPWHP2RW

not attested not anchored not stored refs pending

Tractability of Multivariate Problems for Standard and Linear Information in the Worst Case Setting: Part I

Erich Novak, Henryk Wozniakowski

arxiv:1511.05803 v1 · 2015-11-18 · 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{SWIAUYDZGXZPM4PLLJMPWHP2RW}

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	2026-05-18T01:26:32.643803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95900a607935f2f671eb5a58fb1dfa8db31f72ca2fad175849739ed73032992e

Aliases

arxiv: 1511.05803 · arxiv_version: 1511.05803v1 · doi: 10.48550/arxiv.1511.05803 · pith_short_12: SWIAUYDZGXZP · pith_short_16: SWIAUYDZGXZPM4PL · pith_short_8: SWIAUYDZ

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/SWIAUYDZGXZPM4PLLJMPWHP2RW \
  | 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: 95900a607935f2f671eb5a58fb1dfa8db31f72ca2fad175849739ed73032992e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94ae37838c96d9d6916c725e9e771893d61262a3aadeec7f34310cf2cc3a313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-18T14:34:09Z",
    "title_canon_sha256": "3caf2cb7a1c5556e92e4e3921dfa55056e70564a9e12911b662719b34f8b52c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05803",
    "kind": "arxiv",
    "version": 1
  }
}