Pith Number

pith:B347HEEQ

pith:2019:B347HEEQKADJIACRQAGOG4PJG3

not attested not anchored not stored refs pending

Coupling Staggered-Grid and MPFA Finite Volume Methods for Free Flow/Porous-Medium Flow Problems

Dennis Gl\"aser, Kilian Weishaupt, Martin Schneider, Rainer Helmig, Wietse M. Boon

arxiv:1902.02568 v1 · 2019-02-07 · 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{B347HEEQKADJIACRQAGOG4PJG3}

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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	2026-06-04T20:13:52.527119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef9f390905006940051800ce371e936ca55d985c1d8afa1ab23c1a91770f004

Aliases

arxiv: 1902.02568 · arxiv_version: 1902.02568v1 · doi: 10.48550/arxiv.1902.02568 · pith_short_12: B347HEEQKADJ · pith_short_16: B347HEEQKADJIACR · pith_short_8: B347HEEQ

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/B347HEEQKADJIACRQAGOG4PJG3 \
  | 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: 0ef9f390905006940051800ce371e936ca55d985c1d8afa1ab23c1a91770f004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72082e4e625c0f44216454415b1b8689dcdd4c43907dc8733397fed6b7409d8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-07T11:25:51Z",
    "title_canon_sha256": "b516e75e519e038dcba16b30b3caa182bd1b603f659d95f3716569ec806dbb67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02568",
    "kind": "arxiv",
    "version": 1
  }
}