Pith Number

pith:CJDKNNXE

pith:2017:CJDKNNXES3NY6PEYF26NSZX4R4

not attested not anchored not stored refs pending

An efficient adaptive sparse grid collocation method through derivative estimation

Anindya Bhaduri, Lori Graham-Brady

arxiv:1709.04562 v2 · 2017-09-13 · 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{CJDKNNXES3NY6PEYF26NSZX4R4}

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	2026-05-18T00:29:10.355325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1246a6b6e496db8f3c982ebcd966fc8f37a42713d22cffbe5715db06efd9e493

Aliases

arxiv: 1709.04562 · arxiv_version: 1709.04562v2 · doi: 10.48550/arxiv.1709.04562 · pith_short_12: CJDKNNXES3NY · pith_short_16: CJDKNNXES3NY6PEY · pith_short_8: CJDKNNXE

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/CJDKNNXES3NY6PEYF26NSZX4R4 \
  | 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: 1246a6b6e496db8f3c982ebcd966fc8f37a42713d22cffbe5715db06efd9e493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2e93eec350e461f20f93f052a1d85ca15ae7ceb2dab2bff6e71ae603558e257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-13T23:13:11Z",
    "title_canon_sha256": "cfaa54e8ff0dd53604bcc73d4e274423f7c014abd7d6d04c4519c8977e64b0e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04562",
    "kind": "arxiv",
    "version": 2
  }
}