Pith Number

pith:U7DUFQZB

pith:2017:U7DUFQZB65QCLVH2AAD7J3I6M6

not attested not anchored not stored refs pending

Randomized Local Model Order Reduction

Andreas Buhr, Kathrin Smetana

arxiv:1706.09179 v3 · 2017-06-28 · 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{U7DUFQZB65QCLVH2AAD7J3I6M6}

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	2026-05-18T00:09:36.581803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c742c321f76025d4fa0007f4ed1e678f51f5a5461a4da014e8ab19ecd01fa0

Aliases

arxiv: 1706.09179 · arxiv_version: 1706.09179v3 · doi: 10.48550/arxiv.1706.09179 · pith_short_12: U7DUFQZB65QC · pith_short_16: U7DUFQZB65QCLVH2 · pith_short_8: U7DUFQZB

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/U7DUFQZB65QCLVH2AAD7J3I6M6 \
  | 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: a7c742c321f76025d4fa0007f4ed1e678f51f5a5461a4da014e8ab19ecd01fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aafc0dff24b0439355fdd0a7707d8fe84c59897f832c31a0cd711d048c5a27c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-28T09:14:05Z",
    "title_canon_sha256": "3b19ce336e2206cd7955348afab16d4e0c7b9415399b8eaa961f0638801e4f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09179",
    "kind": "arxiv",
    "version": 3
  }
}