Pith Number

pith:PY3B4FB2

pith:2015:PY3B4FB2TUJ2QQYIQDSUEGT6IO

not attested not anchored not stored refs pending

An improved a priori error analysis of Nitsche's method for Robin boundary conditions

Mika Juntunen, Nora L\"uthen, Rolf Stenberg

arxiv:1502.06515 v2 · 2015-02-23 · 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{PY3B4FB2TUJ2QQYIQDSUEGT6IO}

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	2026-05-17T23:49:44.596336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e361e143a9d13a8430880e5421a7e439d39825000041f191bc589b992673e47

Aliases

arxiv: 1502.06515 · arxiv_version: 1502.06515v2 · doi: 10.48550/arxiv.1502.06515 · pith_short_12: PY3B4FB2TUJ2 · pith_short_16: PY3B4FB2TUJ2QQYI · pith_short_8: PY3B4FB2

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/PY3B4FB2TUJ2QQYIQDSUEGT6IO \
  | 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: 7e361e143a9d13a8430880e5421a7e439d39825000041f191bc589b992673e47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b51ae927b0d3f075de1ed0d3cde559069fb37171a8ee36c5a92f2f407ee1e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-23T17:12:16Z",
    "title_canon_sha256": "425fe156e6ad5dafb7f2df21144f402ec2bb878461c7f1db847fdcea5fca7fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06515",
    "kind": "arxiv",
    "version": 2
  }
}