Pith Number

pith:VG4DTPUO

pith:2025:VG4DTPUO5ZYIMNCI7LQBHZDA5Z

not attested not anchored not stored refs pending

A Nitsche method for Navier--Stokes/generalized poroelasticity interface problems

Aparna Bansal, Dwijendra Narain Pandey, Nicolas A. Barnafi, Ricardo Ruiz-Baier

arxiv:2508.09388 v2 · 2025-08-12 · 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{VG4DTPUO5ZYIMNCI7LQBHZDA5Z}

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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	2026-05-20T00:02:53.185878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b839be8eee70863448fae013e460ee539e657cb6dfed7b80bef9d57e0ad18f

Aliases

arxiv: 2508.09388 · arxiv_version: 2508.09388v2 · doi: 10.48550/arxiv.2508.09388 · pith_short_12: VG4DTPUO5ZYI · pith_short_16: VG4DTPUO5ZYIMNCI · pith_short_8: VG4DTPUO

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/VG4DTPUO5ZYIMNCI7LQBHZDA5Z \
  | 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: a9b839be8eee70863448fae013e460ee539e657cb6dfed7b80bef9d57e0ad18f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1837b1320f380c4bc6e529fe804740c83652162e54fdd2a727f737723f9f5e22",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-08-12T23:10:17Z",
    "title_canon_sha256": "b1da7764f49ea4afc5aa747ed6d5551120c7b7dac6542099f7b6cb2a0777a9a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09388",
    "kind": "arxiv",
    "version": 2
  }
}