Pith Number

pith:NOH5LMD5

pith:2019:NOH5LMD5HUM6XAB55Z26VYR4NC

not attested not anchored not stored refs pending

Model reduction for coupled free flow over porous media: a hybrid dimensional pore network model approach

Alexandros Terzis, Guang Yang, Ioannis Zarikos, Kilian Weishaupt, Matthijs de Winter, Rainer Helmig

arxiv:1908.01771 v1 · 2019-08-05 · physics.comp-ph · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOH5LMD5HUM6XAB55Z26VYR4NC}

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	2026-07-04T23:51:47.465959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b8fd5b07d3d19eb803dee75eae23c689ae6c95f0a5b39b321b9952592136d4a

Aliases

arxiv: 1908.01771 · arxiv_version: 1908.01771v1 · doi: 10.48550/arxiv.1908.01771 · pith_short_12: NOH5LMD5HUM6 · pith_short_16: NOH5LMD5HUM6XAB5 · pith_short_8: NOH5LMD5

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/NOH5LMD5HUM6XAB55Z26VYR4NC \
  | 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: 6b8fd5b07d3d19eb803dee75eae23c689ae6c95f0a5b39b321b9952592136d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b92b3d8552c6495704b7993c6fabbad1fd690360cc8ea3104051f1eba3044bce",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-08-05T17:43:24Z",
    "title_canon_sha256": "96a0056f298e2f76e592cf59b23d3d198139343f568d47c1f5fd8bfe43ebe7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01771",
    "kind": "arxiv",
    "version": 1
  }
}