Pith Number

pith:NGJYQB7F

pith:2015:NGJYQB7FFUKAAXQV3ANTBPJFRU

not attested not anchored not stored refs pending

Shape optimisation with multiresolution subdivision surfaces and immersed finite elements

Fehmi Cirak, Kosala Bandara, Thomas R\"uberg

arxiv:1510.02719 v1 · 2015-10-09 · math.NA · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGJYQB7FFUKAAXQV3ANTBPJFRU}

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	2026-05-18T01:22:35.506166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69938807e52d14005e15d81b30bd258d2f873b0fd17ccda5bd32cf931a41e57a

Aliases

arxiv: 1510.02719 · arxiv_version: 1510.02719v1 · doi: 10.48550/arxiv.1510.02719 · pith_short_12: NGJYQB7FFUKA · pith_short_16: NGJYQB7FFUKAAXQV · pith_short_8: NGJYQB7F

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/NGJYQB7FFUKAAXQV3ANTBPJFRU \
  | 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: 69938807e52d14005e15d81b30bd258d2f873b0fd17ccda5bd32cf931a41e57a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675cb3008d32e8b1e2791d9e40f746fa4f446820bb4bc138d19da386f599eaec",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-09T16:04:45Z",
    "title_canon_sha256": "04b6a366c7d59f87dad710b16d2c354e2de4effc1582d9423210a338fba16277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02719",
    "kind": "arxiv",
    "version": 1
  }
}