Pith Number

pith:NRJ4QPD3

pith:2018:NRJ4QPD34OZTM352QKJGLSMOGM

not attested not anchored not stored refs pending

Python Framework for HP Adaptive Discontinuous Galerkin Method for Two Phase Flow in Porous Media

Andreas Dedner, Birane Kane, Martin Nolte, Robert Kl\"ofkorn

arxiv:1805.00290 v1 · 2018-05-01 · cs.CE · cs.DC · 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{NRJ4QPD34OZTM352QKJGLSMOGM}

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	2026-05-18T00:17:10.043468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c53c83c7be3b3366fba829265c98e330f08876b1b519c11460388b4a13de4d8

Aliases

arxiv: 1805.00290 · arxiv_version: 1805.00290v1 · doi: 10.48550/arxiv.1805.00290 · pith_short_12: NRJ4QPD34OZT · pith_short_16: NRJ4QPD34OZTM352 · pith_short_8: NRJ4QPD3

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/NRJ4QPD34OZTM352QKJGLSMOGM \
  | 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: 6c53c83c7be3b3366fba829265c98e330f08876b1b519c11460388b4a13de4d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f59feb41d74189324f86e125fbd5a5bd8455a8a33b25b7ed0ff71bde5858a80d",
    "cross_cats_sorted": [
      "cs.DC",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-05-01T12:30:23Z",
    "title_canon_sha256": "0ac48254a9b23a9712f392bf6da02ecd41fa846dea7bc111a4841faf0c43ac7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00290",
    "kind": "arxiv",
    "version": 1
  }
}