Pith Number

pith:UEAPXY7W

pith:2016:UEAPXY7WYRN2H4AG2I5BOGA4TS

not attested not anchored not stored refs pending

Efficient implementation of the Localized Orthogonal Decomposition method

Axel M{\aa}lqvist, Christian Engwer, Daniel Peterseim, Patrick Henning

arxiv:1602.01658 v3 · 2016-02-04 · 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{UEAPXY7WYRN2H4AG2I5BOGA4TS}

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	2026-05-17T23:53:12.186074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a100fbe3f6c45ba3f006d23a17181c9ca12b7a783f1ef70f26cf914e9991690f

Aliases

arxiv: 1602.01658 · arxiv_version: 1602.01658v3 · doi: 10.48550/arxiv.1602.01658 · pith_short_12: UEAPXY7WYRN2 · pith_short_16: UEAPXY7WYRN2H4AG · pith_short_8: UEAPXY7W

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/UEAPXY7WYRN2H4AG2I5BOGA4TS \
  | 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: a100fbe3f6c45ba3f006d23a17181c9ca12b7a783f1ef70f26cf914e9991690f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76763616ddaf739bc17334446a95e92147df88c03ca2e592cc017158b0b1f195",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-04T12:41:23Z",
    "title_canon_sha256": "3b9fe53afdece2158bf04f6597a98f0c371d48d83441219ae22f3e3315abb27c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01658",
    "kind": "arxiv",
    "version": 3
  }
}