Pith Number

pith:ODBP7D5A

pith:2018:ODBP7D5AXYAHYZY7BF3R7GUIBD

not attested not anchored not stored refs pending

CutIGA with Basis Function Removal

Daniel Elfverson, Karl Larsson, Mats G. Larson

arxiv:1801.00673 v1 · 2018-01-02 · 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{ODBP7D5AXYAHYZY7BF3R7GUIBD}

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	2026-05-18T00:18:31.112816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70c2ff8fa0be007c671f09771f9a8808ffabe71bdac90075fcc173e2edd0a9c3

Aliases

arxiv: 1801.00673 · arxiv_version: 1801.00673v1 · doi: 10.48550/arxiv.1801.00673 · pith_short_12: ODBP7D5AXYAH · pith_short_16: ODBP7D5AXYAHYZY7 · pith_short_8: ODBP7D5A

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/ODBP7D5AXYAHYZY7BF3R7GUIBD \
  | 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: 70c2ff8fa0be007c671f09771f9a8808ffabe71bdac90075fcc173e2edd0a9c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "badf4df087f5c8355f1cd1f4641e1b0860224a467b2eb6d773170b62cdc50288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-02T14:49:21Z",
    "title_canon_sha256": "3587f6716b4b14d8e3c89b2c2784927046b4f27ed0b1071a96e3b9c9a121b00b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00673",
    "kind": "arxiv",
    "version": 1
  }
}