Pith Number

pith:TJJT7VZD

pith:2021:TJJT7VZDKYVDYBO33R4TVW3VSI

not attested not anchored not stored refs pending

The Multiscale Perturbation Method for Two-Phase Reservoir Flow Problems

Fabricio S. Sousa, Felipe Pereira, Franciane F. Rocha, Het Mankad

arxiv:2103.11050 v1 · 2021-03-19 · math.NA · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJJT7VZDKYVDYBO33R4TVW3VSI}

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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	2026-07-05T05:58:49.645029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a533fd723562a3c05dbdc793adb759233c614b800f7f3e0f3b28058b1f7eaba

Aliases

arxiv: 2103.11050 · arxiv_version: 2103.11050v1 · doi: 10.48550/arxiv.2103.11050 · pith_short_12: TJJT7VZDKYVD · pith_short_16: TJJT7VZDKYVDYBO3 · pith_short_8: TJJT7VZD

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/TJJT7VZDKYVDYBO33R4TVW3VSI \
  | 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: 9a533fd723562a3c05dbdc793adb759233c614b800f7f3e0f3b28058b1f7eaba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1040ec15746074b59aa3f511555108b899b98f4cb87336169d7cfbf9c8ab223",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-03-19T22:21:37Z",
    "title_canon_sha256": "f162dba18a15b349be130196fa29b962f4b3b7e186b25c4b51854c403f56b24e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11050",
    "kind": "arxiv",
    "version": 1
  }
}