Pith Number

pith:HYJ4HFR7

pith:2019:HYJ4HFR7IGGPQGVTYFFYLCHELK

not attested not anchored not stored refs pending

Transfinite mean value interpolation over polygons

Francesco Patrizi, Michael S. Floater

arxiv:1906.08358 v1 · 2019-06-19 · 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{HYJ4HFR7IGGPQGVTYFFYLCHELK}

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	2026-05-17T23:42:52.726587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e13c3963f418cf81ab3c14b8588e45a8a78fe1cbe998b45a5a3af8aca833f39

Aliases

arxiv: 1906.08358 · arxiv_version: 1906.08358v1 · doi: 10.48550/arxiv.1906.08358 · pith_short_12: HYJ4HFR7IGGP · pith_short_16: HYJ4HFR7IGGPQGVT · pith_short_8: HYJ4HFR7

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/HYJ4HFR7IGGPQGVTYFFYLCHELK \
  | 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: 3e13c3963f418cf81ab3c14b8588e45a8a78fe1cbe998b45a5a3af8aca833f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc0ccf9edda3fa0d1cfbc6cc314c41959cfc37ab50b4ba4cdcd8db1e222b45dc",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-19T21:17:07Z",
    "title_canon_sha256": "419188debdca93fd1eec3e2a28d3dc92f07c080499f16db76ca08fedce267fea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08358",
    "kind": "arxiv",
    "version": 1
  }
}