Pith Number

pith:NHN4QG7E

pith:2018:NHN4QG7EDW2LNGLOB63DXQODTY

not attested not anchored not stored refs pending

Quadrature Strategies for Constructing Polynomial Approximations

Gianluca Iaccarino, Pranay Seshadri, Tiziano Ghisu

arxiv:1805.07296 v1 · 2018-05-14 · 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{NHN4QG7EDW2LNGLOB63DXQODTY}

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	2026-05-18T00:15:38.638430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69dbc81be41db4b6996e0fb63bc1c39e36447c444bfee4a09a10b9055154bf74

Aliases

arxiv: 1805.07296 · arxiv_version: 1805.07296v1 · doi: 10.48550/arxiv.1805.07296 · pith_short_12: NHN4QG7EDW2L · pith_short_16: NHN4QG7EDW2LNGLO · pith_short_8: NHN4QG7E

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/NHN4QG7EDW2LNGLOB63DXQODTY \
  | 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: 69dbc81be41db4b6996e0fb63bc1c39e36447c444bfee4a09a10b9055154bf74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea3ef016cef53a6245d104a6aad03263004268a023d2d6083c83a0068bfa8586",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-14T19:30:47Z",
    "title_canon_sha256": "6acd46f2d94e14ce98580e5741912e6a7851257310019bf36386a8c030c74909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07296",
    "kind": "arxiv",
    "version": 1
  }
}