Pith Number

pith:U5CK3SOU

pith:2025:U5CK3SOUERPMNYBU62BMJQD22D

not attested not anchored not stored refs pending

A posteriori error estimates and adaptivity for locally conservative methods. Inexpensive implementation and evaluation, polytopal meshes, iterative linearization and algebraic solvers, and applications to complex porous media flows

Martin Vohral\'ik, Soleiman Yousef

arxiv:2505.23245 v1 · 2025-05-29 · 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{U5CK3SOUERPMNYBU62BMJQD22D}

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	2026-07-05T11:11:58.264580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a744adc9d4245ec6e034f682c4c07ad0fb616c9840c5e36e8b8a24f0afc2760c

Aliases

arxiv: 2505.23245 · arxiv_version: 2505.23245v1 · doi: 10.48550/arxiv.2505.23245 · pith_short_12: U5CK3SOUERPM · pith_short_16: U5CK3SOUERPMNYBU · pith_short_8: U5CK3SOU

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/U5CK3SOUERPMNYBU62BMJQD22D \
  | 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: a744adc9d4245ec6e034f682c4c07ad0fb616c9840c5e36e8b8a24f0afc2760c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fefba2efeb1ef578f58128e788600aec900d58f3c2eca2e6de01e1bc36e63a48",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-29T08:51:48Z",
    "title_canon_sha256": "09ec1ba5305884f4ccf0650c4e7b83c0a6a5eefd38766625546c1f6de1e73349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23245",
    "kind": "arxiv",
    "version": 1
  }
}