Pith Number

pith:J47T7VO6

pith:2018:J47T7VO6J6ACH6QKV55JYUMLWN

not attested not anchored not stored refs pending

Boundary element methods with weakly imposed boundary conditions

Erik Burman, Matthew W. Scroggs, Timo Betcke

arxiv:1807.01109 v2 · 2018-07-03 · 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{J47T7VO6J6ACH6QKV55JYUMLWN}

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	2026-06-04T19:12:05.408709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f3f3fd5de4f8023fa0aaf7a9c518bb37f28d67a204bd5f66dd7f9f890336e24

Aliases

arxiv: 1807.01109 · arxiv_version: 1807.01109v2 · doi: 10.48550/arxiv.1807.01109 · pith_short_12: J47T7VO6J6AC · pith_short_16: J47T7VO6J6ACH6QK · pith_short_8: J47T7VO6

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/J47T7VO6J6ACH6QKV55JYUMLWN \
  | 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: 4f3f3fd5de4f8023fa0aaf7a9c518bb37f28d67a204bd5f66dd7f9f890336e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b74cb34d261f34c6b8be362a7e4b90cc62f690bd517427b8cf967c235b02d849",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-03T12:18:14Z",
    "title_canon_sha256": "db0751f4da5c773da775bd66f6151aeca684fb03f7c0c3907bb5057f1b0553cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01109",
    "kind": "arxiv",
    "version": 2
  }
}