Pith Number

pith:QGCGPVR4

pith:2018:QGCGPVR447EADFFHOTJJKBH7JF

not attested not anchored not stored refs pending

An algebraic approach to polynomial reproduction of Hermite subdivision schemes

Costanza Conti, Svenja H\"uning

arxiv:1803.11007 v1 · 2018-03-29 · 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{QGCGPVR447EADFFHOTJJKBH7JF}

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	2026-05-18T00:19:49.546259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818467d63ce7c80194a774d29504ff4953dcee545d10817aa85288313ea7045a

Aliases

arxiv: 1803.11007 · arxiv_version: 1803.11007v1 · doi: 10.48550/arxiv.1803.11007 · pith_short_12: QGCGPVR447EA · pith_short_16: QGCGPVR447EADFFH · pith_short_8: QGCGPVR4

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/QGCGPVR447EADFFHOTJJKBH7JF \
  | 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: 818467d63ce7c80194a774d29504ff4953dcee545d10817aa85288313ea7045a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c63453fba9363ea393eeb9f24af4b4276823f39a15fceb426c05aeac19b008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-29T11:10:28Z",
    "title_canon_sha256": "e65167136e5a6b4696459189bdaa0365a6fc378c3418ed1c88c3957a7b9e7471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11007",
    "kind": "arxiv",
    "version": 1
  }
}