Pith Number

pith:BMCTTX6Q

pith:2026:BMCTTX6QFORNTXBFVKUEDXYW4O

not attested not anchored not stored refs pending

Nystr\"om Approximation on Manifolds

Andi Han, Bamdev Mishra, Bin Gao, Hantao Nie, Pratik Jawanpuria, Zaiwen Wen

arxiv:2605.14933 v1 · 2026-05-14 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMCTTX6QFORNTXBFVKUEDXYW4O}

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	2026-05-17T23:38:55.549213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b0539dfd02ba2d9dc25aaa841df16e38f4b7fd1976ff4703908212b001837c9

Aliases

arxiv: 2605.14933 · arxiv_version: 2605.14933v1 · doi: 10.48550/arxiv.2605.14933 · pith_short_12: BMCTTX6QFORN · pith_short_16: BMCTTX6QFORNTXBF · pith_short_8: BMCTTX6Q

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/BMCTTX6QFORNTXBFVKUEDXYW4O \
  | 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: 0b0539dfd02ba2d9dc25aaa841df16e38f4b7fd1976ff4703908212b001837c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0cc140ce83a777c78f40ebbf0d241fb27bf27cc8072252f618a3075fb025791",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-14T15:09:23Z",
    "title_canon_sha256": "0fd8d6b1f79d149708d9fe2b0d2fefe46ba35390d53e98d51d4315e2b0d0fa04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14933",
    "kind": "arxiv",
    "version": 1
  }
}