Pith Number

pith:ZTWXFSLQ

pith:2023:ZTWXFSLQHBCZO3H5BW3EB45AQO

not attested not anchored not stored refs pending

A DuMux Framework for Data-Driven Multi-Scale Parametrizations

Edward Coltman, Martin Schneider, Rainer Helmig

arxiv:2302.14512 v2 · 2023-02-28 · 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{ZTWXFSLQHBCZO3H5BW3EB45AQO}

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	2026-07-05T07:15:52.557232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cced72c9703845976cfd0db640f3a083b0d9606894c0f3eaa269803251ece8d2

Aliases

arxiv: 2302.14512 · arxiv_version: 2302.14512v2 · doi: 10.48550/arxiv.2302.14512 · pith_short_12: ZTWXFSLQHBCZ · pith_short_16: ZTWXFSLQHBCZO3H5 · pith_short_8: ZTWXFSLQ

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/ZTWXFSLQHBCZO3H5BW3EB45AQO \
  | 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: cced72c9703845976cfd0db640f3a083b0d9606894c0f3eaa269803251ece8d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce0c6c4c8a9f68828c6789365a4e3dd81eaec7f89690a0cf6333fec2e385405",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-02-28T12:02:06Z",
    "title_canon_sha256": "b480cf556b1fa5a874cd0599c1df643a0c6c1be4a9503a2dfabee650705cca71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.14512",
    "kind": "arxiv",
    "version": 2
  }
}