Pith Number

pith:J6XN4QTK

pith:2012:J6XN4QTKXN67GPVCYXN77C4N2Y

not attested not anchored not stored refs pending

Classical FEM-BEM coupling methods: nonlinearities, well-posedness, and adaptivity

Dirk Praetorius, Jens Markus Melenk, Markus Aurada, Michael Feischl, Michael Karkulik, Thomas F\"uhrer

arxiv:1211.4225 v1 · 2012-11-18 · 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{J6XN4QTKXN67GPVCYXN77C4N2Y}

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	2026-05-18T02:59:44.901743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4faede426abb7df33ea2c5dbff8b8dd60ee419f1b6961cb7beedb8556a0b09aa

Aliases

arxiv: 1211.4225 · arxiv_version: 1211.4225v1 · doi: 10.48550/arxiv.1211.4225 · pith_short_12: J6XN4QTKXN67 · pith_short_16: J6XN4QTKXN67GPVC · pith_short_8: J6XN4QTK

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/J6XN4QTKXN67GPVCYXN77C4N2Y \
  | 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: 4faede426abb7df33ea2c5dbff8b8dd60ee419f1b6961cb7beedb8556a0b09aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea58f3dbfc89e009947bb57fb5ebbffa6fcde6721245a5fa814106db1dcd6824",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-11-18T15:35:53Z",
    "title_canon_sha256": "23b4244e5c1695c4e688f8dfa3edf1daf6891a9efafb82d533c485a8e679a7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4225",
    "kind": "arxiv",
    "version": 1
  }
}