Pith Number

pith:HLAGYTBL

pith:2015:HLAGYTBLZAWY5USZDFXPHG4AES

not attested not anchored not stored refs pending

Approximation of boundary element matrices using GPGPUs and nested cross approximation

Steffen B\"orm, Sven Christophersen

arxiv:1510.07244 v2 · 2015-10-25 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLAGYTBLZAWY5USZDFXPHG4AES}

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	2026-05-18T00:32:32.773067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac06c4c2bc82d8ed259196ef39b802484a8ba30b6cd4559502ba17f7467604f

Aliases

arxiv: 1510.07244 · arxiv_version: 1510.07244v2 · doi: 10.48550/arxiv.1510.07244 · pith_short_12: HLAGYTBLZAWY · pith_short_16: HLAGYTBLZAWY5USZ · pith_short_8: HLAGYTBL

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/HLAGYTBLZAWY5USZDFXPHG4AES \
  | 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: 3ac06c4c2bc82d8ed259196ef39b802484a8ba30b6cd4559502ba17f7467604f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22abc9925e1fe3befbc58536d0112eb1a1c1d26f87afd7f7d06863ea3537deae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2015-10-25T13:27:11Z",
    "title_canon_sha256": "9914e0b01cb8870a6f8ca022f72f6e774a8f7b142a3f9ab26ef7daaaa1fa8d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07244",
    "kind": "arxiv",
    "version": 2
  }
}