Pith Number

pith:JYYTV2SJ

pith:2015:JYYTV2SJTBH5J6QGPRKTW6EDN7

not attested not anchored not stored refs pending

A convergent mass conservative numerical scheme based on mixed finite elements for two-phase flow in porous media

Florin Adrian Radu, Iuliu Sorin Pop, Jan Martin Nordbotten, Kundan Kumar

arxiv:1512.08387 v2 · 2015-12-28 · 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{JYYTV2SJTBH5J6QGPRKTW6EDN7}

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	2026-05-18T00:45:22.593849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e313aea49984fd4fa067c553b78836fefd17b02891bceb513942701cbc65eaf

Aliases

arxiv: 1512.08387 · arxiv_version: 1512.08387v2 · doi: 10.48550/arxiv.1512.08387 · pith_short_12: JYYTV2SJTBH5 · pith_short_16: JYYTV2SJTBH5J6QG · pith_short_8: JYYTV2SJ

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/JYYTV2SJTBH5J6QGPRKTW6EDN7 \
  | 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: 4e313aea49984fd4fa067c553b78836fefd17b02891bceb513942701cbc65eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d0236562beb54f807b062de71609494dd161dc9b5796f377a267b5fd821b5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-28T12:16:24Z",
    "title_canon_sha256": "d46f7f9a932b84662b74d33ad6602d75609c190aa30635b12d6837b225e1a5de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08387",
    "kind": "arxiv",
    "version": 2
  }
}