Pith Number

pith:SCN2C24H

pith:2018:SCN2C24HEUCPRHNB4HDTW3SJ2W

not attested not anchored not stored refs pending

An offline/online procedure for dual norm calculations of parameterized functionals: empirical quadrature and empirical test spaces

Tommaso Taddei

arxiv:1805.08100 v2 · 2018-05-21 · 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{SCN2C24HEUCPRHNB4HDTW3SJ2W}

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	2026-05-17T23:54:39.567511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909ba16b872504f89da1e1c73b6e49d59efb7da8e88919cc6da15c2a59ea6433

Aliases

arxiv: 1805.08100 · arxiv_version: 1805.08100v2 · doi: 10.48550/arxiv.1805.08100 · pith_short_12: SCN2C24HEUCP · pith_short_16: SCN2C24HEUCPRHNB · pith_short_8: SCN2C24H

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/SCN2C24HEUCPRHNB4HDTW3SJ2W \
  | 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: 909ba16b872504f89da1e1c73b6e49d59efb7da8e88919cc6da15c2a59ea6433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b365168cd2c021eadb4d10912d1ef9b80a54ea146bde2b08e6c6358a50a8cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-21T14:57:54Z",
    "title_canon_sha256": "aafb764eb52febf9a6dac71692960500da50a6a96d037630ba07f738d38750a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08100",
    "kind": "arxiv",
    "version": 2
  }
}