Pith Number

pith:GXJ2RTMK

pith:2018:GXJ2RTMKKMNECBAD3LN2EQAGZA

not attested not anchored not stored refs pending

Stable non-symmetric coupling of the finite volume and the boundary element method for convection-dominated parabolic-elliptic interface problems

Christoph Erath, Robert Schorr

arxiv:1805.05142 v1 · 2018-05-14 · 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{GXJ2RTMKKMNECBAD3LN2EQAGZA}

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	2026-05-18T00:16:03.805401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35d3a8cd8a531a410403dadba24006c8350953fc94ba541e02a379855882fedd

Aliases

arxiv: 1805.05142 · arxiv_version: 1805.05142v1 · doi: 10.48550/arxiv.1805.05142 · pith_short_12: GXJ2RTMKKMNE · pith_short_16: GXJ2RTMKKMNECBAD · pith_short_8: GXJ2RTMK

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/GXJ2RTMKKMNECBAD3LN2EQAGZA \
  | 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: 35d3a8cd8a531a410403dadba24006c8350953fc94ba541e02a379855882fedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04772e484cfb04b45b73efda59dc2076db430d566901c6e12a96a717d04eaf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-14T12:36:49Z",
    "title_canon_sha256": "a9663c005246e3a436deb03f6e35a64c7c82b7494ec5c92aea2e0287509d9f88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05142",
    "kind": "arxiv",
    "version": 1
  }
}