Pith Number

pith:SNRTBXQ2

pith:2016:SNRTBXQ2JCNIWZGNJ7T2OAVMAN

not attested not anchored not stored refs pending

Bivariate hierarchical Hermite spline quasi--interpolation

Alessandra Sestini, Carlotta Giannelli, Cesare Bracco, Francesca Mazzia

arxiv:1601.02262 v1 · 2016-01-10 · 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{SNRTBXQ2JCNIWZGNJ7T2OAVMAN}

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	2026-05-18T01:21:19.029149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

936330de1a489a8b64cd4fe7a702ac0346a121a7de6a3f2ca6105f218e896458

Aliases

arxiv: 1601.02262 · arxiv_version: 1601.02262v1 · doi: 10.48550/arxiv.1601.02262 · pith_short_12: SNRTBXQ2JCNI · pith_short_16: SNRTBXQ2JCNIWZGN · pith_short_8: SNRTBXQ2

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/SNRTBXQ2JCNIWZGNJ7T2OAVMAN \
  | 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: 936330de1a489a8b64cd4fe7a702ac0346a121a7de6a3f2ca6105f218e896458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ee10979a2d7dffcd5f73e8840053634e2cfba30be097cd4118172a453c91d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-10T20:11:11Z",
    "title_canon_sha256": "1e52f6cd4f627becfe996978a93b6131e027944745dd73e4f0bae70b8d7cec3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02262",
    "kind": "arxiv",
    "version": 1
  }
}