Pith Number

pith:2OBQAYIQ

pith:2015:2OBQAYIQ54VEELE6IRXELLSFPO

not attested not anchored not stored refs pending

Globally structured 3D Analysis-suitable T-splines: definition, linear independence and m-graded local refinement

Philipp Morgenstern

arxiv:1505.05392 v3 · 2015-05-20 · 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{2OBQAYIQ54VEELE6IRXELLSFPO}

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	2026-05-18T00:52:23.992166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d383006110ef2a422c9e446e45ae457b92600f00f1b13ae063c2ce3252ebcdeb

Aliases

arxiv: 1505.05392 · arxiv_version: 1505.05392v3 · doi: 10.48550/arxiv.1505.05392 · pith_short_12: 2OBQAYIQ54VE · pith_short_16: 2OBQAYIQ54VEELE6 · pith_short_8: 2OBQAYIQ

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/2OBQAYIQ54VEELE6IRXELLSFPO \
  | 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: d383006110ef2a422c9e446e45ae457b92600f00f1b13ae063c2ce3252ebcdeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b626229b44644e585a60322eac341d9c7acd46e0ce2a3a2f4cc4200ed4f37cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-20T14:15:21Z",
    "title_canon_sha256": "63b3626704548d1e03ca0b516625950f7e390537132cd0760810bca8de6322e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05392",
    "kind": "arxiv",
    "version": 3
  }
}