Pith Number

pith:HHFFNJDD

pith:2013:HHFFNJDD232HWXB2K57CEVUYNF

not attested not anchored not stored refs pending

Localized orthogonal decomposition techniques for boundary value problems

Axel M{\aa}lqvist, Patrick Henning

arxiv:1308.3379 v3 · 2013-08-15 · 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{HHFFNJDD232HWXB2K57CEVUYNF}

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	2026-05-18T02:47:24.347455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ca56a463d6f47b5c3a577e225698696eaf73d44e7429eddfa06679b43661d2

Aliases

arxiv: 1308.3379 · arxiv_version: 1308.3379v3 · doi: 10.48550/arxiv.1308.3379 · pith_short_12: HHFFNJDD232H · pith_short_16: HHFFNJDD232HWXB2 · pith_short_8: HHFFNJDD

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/HHFFNJDD232HWXB2K57CEVUYNF \
  | 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: 39ca56a463d6f47b5c3a577e225698696eaf73d44e7429eddfa06679b43661d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1570553ab102bd5c083ec65c15499dfdb234a6cfe2c437dd671e4b2c04267473",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-15T13:09:03Z",
    "title_canon_sha256": "8344c3b60c347d3a07c3dca1589e64145c968c868dd1ca6214433708fc8ae059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3379",
    "kind": "arxiv",
    "version": 3
  }
}