Pith Number

pith:ZJX25EVT

pith:2020:ZJX25EVTETRZUWQHAZSLATPRVV

not attested not anchored not stored refs pending

Fourier-Informed Knot Placement Schemes for B-Spline Approximation

David Lenz, Oana Marin, Raine Yeh, Tom Peterka, Vijay Mahadevan

arxiv:2012.04123 v1 · 2020-12-08 · math.NA · cs.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{ZJX25EVTETRZUWQHAZSLATPRVV}

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	2026-07-05T01:58:00.922946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6fae92b324e39a5a070664b04df1ad42a18bcf839f9c148c3711f6aa255076

Aliases

arxiv: 2012.04123 · arxiv_version: 2012.04123v1 · doi: 10.48550/arxiv.2012.04123 · pith_short_12: ZJX25EVTETRZ · pith_short_16: ZJX25EVTETRZUWQH · pith_short_8: ZJX25EVT

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/ZJX25EVTETRZUWQHAZSLATPRVV \
  | 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: ca6fae92b324e39a5a070664b04df1ad42a18bcf839f9c148c3711f6aa255076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c4415576fe155bcf50b1f1eef0ad597f36beaf20cbf43984f12ffa60a4272d6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-12-08T00:13:18Z",
    "title_canon_sha256": "7e456d6bb8c5222288eca8f7eef1b2f186a1fbb4f069a4d6161ca93aaa9ebd22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04123",
    "kind": "arxiv",
    "version": 1
  }
}