Pith Number

pith:CKT23XJJ

pith:2018:CKT23XJJAIGP6PGKLEK2H3DXOB

not attested not anchored not stored refs pending

Quantum Algorithm to Cubic Spline Interpolation

Changpeng Shao

arxiv:1804.00170 v2 · 2018-03-31 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKT23XJJAIGP6PGKLEK2H3DXOB}

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	2026-05-18T00:08:00.447894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a7addd29020cff3cca5915a3ec77705b4450d444e7e43793c2b7d7fd1b8034

Aliases

arxiv: 1804.00170 · arxiv_version: 1804.00170v2 · doi: 10.48550/arxiv.1804.00170 · pith_short_12: CKT23XJJAIGP · pith_short_16: CKT23XJJAIGP6PGK · pith_short_8: CKT23XJJ

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/CKT23XJJAIGP6PGKLEK2H3DXOB \
  | 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: 12a7addd29020cff3cca5915a3ec77705b4450d444e7e43793c2b7d7fd1b8034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b22314b1204f6f3143a08358a05b756e5d3584e6238d59e3dd438770d72cf5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-31T13:07:01Z",
    "title_canon_sha256": "b3a50712eddc81cf83a031f5655c13dfb7ba576bdad0ded1f0bc6f93f62b8cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00170",
    "kind": "arxiv",
    "version": 2
  }
}