Pith Number

pith:36AHU5TD

pith:2014:36AHU5TDTQQNVEWY5MJAS3BVP7

not attested not anchored not stored refs pending

Quadrature-Based Vector Fitting: Implications For H2 System Approximation

Christopher Beattie, Serkan Gugercin, Zlatko Drmac

arxiv:1403.4655 v1 · 2014-03-19 · math.NA · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36AHU5TDTQQNVEWY5MJAS3BVP7}

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	2026-05-18T01:03:24.272874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df807a76639c20da92d8eb12096c357fcb75121db6402091a70cf7294b54087c

Aliases

arxiv: 1403.4655 · arxiv_version: 1403.4655v1 · doi: 10.48550/arxiv.1403.4655 · pith_short_12: 36AHU5TDTQQN · pith_short_16: 36AHU5TDTQQNVEWY · pith_short_8: 36AHU5TD

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/36AHU5TDTQQNVEWY5MJAS3BVP7 \
  | 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: df807a76639c20da92d8eb12096c357fcb75121db6402091a70cf7294b54087c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c5097ca059ad0bec0e82ac056e94c1cd788217ed47147f43f6f198527f7bfe3",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-19T00:38:40Z",
    "title_canon_sha256": "f9b9ebae2a5dadbfb62bae0b641190054d7897c4568bac6e60f55397293d6c56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4655",
    "kind": "arxiv",
    "version": 1
  }
}