Pith Number

pith:6H7JHFQ4

pith:2015:6H7JHFQ4WWPN3XCAVZSKRVTBXW

not attested not anchored not stored refs pending

Towards a More General Type of Univariate Constrained Interpolation With Fractal Splines

A.K.B. Chand, K.M. Reddy, P. Viswanathan

arxiv:1503.08116 v1 · 2015-03-24 · math.NA · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6H7JHFQ4WWPN3XCAVZSKRVTBXW}

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	2026-05-18T01:22:40.765786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1fe93961cb59edddc40ae64a8d661bda775c2f96e7ecc818054eb6d8e6386ad

Aliases

arxiv: 1503.08116 · arxiv_version: 1503.08116v1 · doi: 10.48550/arxiv.1503.08116 · pith_short_12: 6H7JHFQ4WWPN · pith_short_16: 6H7JHFQ4WWPN3XCA · pith_short_8: 6H7JHFQ4

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/6H7JHFQ4WWPN3XCAVZSKRVTBXW \
  | 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: f1fe93961cb59edddc40ae64a8d661bda775c2f96e7ecc818054eb6d8e6386ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9f9219febd55e14a6bbb8710808aa5dc050b1923cbb4a556e4c67a3836895a",
    "cross_cats_sorted": [
      "math.CA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-24T04:37:29Z",
    "title_canon_sha256": "aa5ac1ea91c1c91211639d1f2d29ea12eecdac224826423c7b36e80ebfaf0de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08116",
    "kind": "arxiv",
    "version": 1
  }
}