Pith Number

pith:BFMCFWPJ

pith:2018:BFMCFWPJZT3WG7MW375SGR7Y7H

not attested not anchored not stored refs pending

From geometric design to numerical analysis: A direct approach using the Finite Cell Method on Constructive Solid Geometry

Benjamin Wassermann, Ernst Rank, Stefan Kollmannsberger, Tino Bog

arxiv:1809.10982 v1 · 2018-09-28 · 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{BFMCFWPJZT3WG7MW375SGR7Y7H}

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	2026-05-18T00:04:33.710944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

095822d9e9ccf7637d96dffb2347f8f9d8b1a828b26c3f828d31fec3bf480958

Aliases

arxiv: 1809.10982 · arxiv_version: 1809.10982v1 · doi: 10.48550/arxiv.1809.10982 · pith_short_12: BFMCFWPJZT3W · pith_short_16: BFMCFWPJZT3WG7MW · pith_short_8: BFMCFWPJ

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/BFMCFWPJZT3WG7MW375SGR7Y7H \
  | 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: 095822d9e9ccf7637d96dffb2347f8f9d8b1a828b26c3f828d31fec3bf480958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7518c53adcc081f516deec94b4f54c1db38c4c1ec87a9f7cc88773e60f5ef2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-09-28T12:16:00Z",
    "title_canon_sha256": "3cc1a857fa3dd1bce528a06b2b2eb10e07d20a8650716d4cd49d6a3a5edb49ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10982",
    "kind": "arxiv",
    "version": 1
  }
}