Pith Number

pith:XTTHEIWS

pith:2019:XTTHEIWSLPAMTGRWUWHRLROW4O

not attested not anchored not stored refs pending

DuMu$^\text{x}$ 3 -- an open-source simulator for solving flow and transport problems in porous media with a focus on model coupling

Beatrix Becker, Bernd Flemisch, Christoph Gr\"uninger, Dennis Gl\"aser, Edward Coltman, Farid Mohammadi, Felix Weinhardt, Gabriele Seitz, Holger Class, Johannes Hommel, Katharina Heck, Kilian Weishaupt, Leopold Stadler, Martin Beck, Martin Schneider, Martin Utz, Melanie Lipp, Samuel Burbulla, Samuel Scherrer, Simon Emmert, Sina Ackermann, Theresa Kurz, Thomas Fetzer, Timo Koch

arxiv:1909.05052 v1 · 2019-09-11 · cs.CE · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTTHEIWSLPAMTGRWUWHRLROW4O}

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	2026-07-05T00:49:24.653005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce67222d25bc0c99a36a58f15c5d6e3add8f915c9938023e9c17bb9d9a7622b

Aliases

arxiv: 1909.05052 · arxiv_version: 1909.05052v1 · doi: 10.48550/arxiv.1909.05052 · pith_short_12: XTTHEIWSLPAM · pith_short_16: XTTHEIWSLPAMTGRW · pith_short_8: XTTHEIWS

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/XTTHEIWSLPAMTGRWUWHRLROW4O \
  | 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: bce67222d25bc0c99a36a58f15c5d6e3add8f915c9938023e9c17bb9d9a7622b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c05b3bdc81bb22076728aea519bd61620a31d394ae9eafd33bf1b038ecfd521",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2019-09-11T13:48:47Z",
    "title_canon_sha256": "b7947c4b2a7a0e8a8cae4aea3bd06079f6f2c342e91a1340b38a273e7841e618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05052",
    "kind": "arxiv",
    "version": 1
  }
}