Pith Number

pith:26GF2CMF

pith:2016:26GF2CMF2E4UIMNMBHZDL6FWW4

not attested not anchored not stored refs pending

Quasi-interpolation on a sparse grid with Gaussian

Fuat Usta, Jeremy Levesley

arxiv:1608.00728 v1 · 2016-08-02 · 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{26GF2CMF2E4UIMNMBHZDL6FWW4}

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	2026-05-18T01:10:01.220662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d78c5d0985d1394431ac09f235f8b6b71ece8878a02a4af7c908823cc44258c9

Aliases

arxiv: 1608.00728 · arxiv_version: 1608.00728v1 · doi: 10.48550/arxiv.1608.00728 · pith_short_12: 26GF2CMF2E4U · pith_short_16: 26GF2CMF2E4UIMNM · pith_short_8: 26GF2CMF

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/26GF2CMF2E4UIMNMBHZDL6FWW4 \
  | 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: d78c5d0985d1394431ac09f235f8b6b71ece8878a02a4af7c908823cc44258c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49dfb201d2980c5ec88dd4cffffc423bc5c48f79a15a8cf5f484393e3b96cb2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-02T08:31:06Z",
    "title_canon_sha256": "e78044bcd8a52f2a0165a2206258f8e2aed7baf3603ffc557b6b37bd4745a243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00728",
    "kind": "arxiv",
    "version": 1
  }
}