Pith Number

pith:F7HG4MQD

pith:2017:F7HG4MQDJ3X4V7GHE3QBRRY4ZQ

not attested not anchored not stored refs pending

On the non-symmetric coupling method for parabolic-elliptic interface problems

Christoph Erath, Herbert Egger, Robert Schorr

arxiv:1711.08487 v1 · 2017-11-22 · 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{F7HG4MQDJ3X4V7GHE3QBRRY4ZQ}

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	2026-05-18T00:29:44.954155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fce6e32034eefcafcc726e018c71ccc1c93f8fe86283387f742a47037074aca

Aliases

arxiv: 1711.08487 · arxiv_version: 1711.08487v1 · doi: 10.48550/arxiv.1711.08487 · pith_short_12: F7HG4MQDJ3X4 · pith_short_16: F7HG4MQDJ3X4V7GH · pith_short_8: F7HG4MQD

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/F7HG4MQDJ3X4V7GHE3QBRRY4ZQ \
  | 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: 2fce6e32034eefcafcc726e018c71ccc1c93f8fe86283387f742a47037074aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9c6ec711d627a9be2f65e87d5dea172e264ddf07b99acb6e721b58104e708c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-22T19:48:34Z",
    "title_canon_sha256": "2fde7ac2a87c5ca40992ec9243b4e372935fb154b66636452082cc4c8aa9f2aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08487",
    "kind": "arxiv",
    "version": 1
  }
}