Pith Number

pith:3ODXCW4B

pith:2018:3ODXCW4BSVKMXMFPAI6BLTA3JH

not attested not anchored not stored refs pending

Monolithic mixed-dimensional multigrid methods for single-phase flow in fractured porous media

Andr\'es Arrar\'as, Carmen Rodrigo, Francisco J. Gaspar, Laura Portero

arxiv:1811.01264 v1 · 2018-11-03 · 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{3ODXCW4BSVKMXMFPAI6BLTA3JH}

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	2026-05-18T00:01:34.803607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db87715b819554cbb0af023c15cc1b49d2372c7eaa13030ec3bd2d891b7636e8

Aliases

arxiv: 1811.01264 · arxiv_version: 1811.01264v1 · doi: 10.48550/arxiv.1811.01264 · pith_short_12: 3ODXCW4BSVKM · pith_short_16: 3ODXCW4BSVKMXMFP · pith_short_8: 3ODXCW4B

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/3ODXCW4BSVKMXMFPAI6BLTA3JH \
  | 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: db87715b819554cbb0af023c15cc1b49d2372c7eaa13030ec3bd2d891b7636e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "046453a469506fc89efee687182c3b061a702564a578f7873f9d4339190f9b08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-03T18:37:52Z",
    "title_canon_sha256": "22899fcd1ae512ab345f14e5ce6d73a6b719c4271933751c8ded66e242b3d022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01264",
    "kind": "arxiv",
    "version": 1
  }
}