Pith Number

pith:F4NUDQW2

pith:2017:F4NUDQW2UP63KVNAQWYW7GXUZY

not attested not anchored not stored refs pending

A linear domain decomposition method for partially saturated flow in porous media

Christian Rohde, David Seus, Florin Adrian Radu, Iuliu Sorin Pop, Koondanibha Mitra

arxiv:1708.03224 v1 · 2017-08-10 · 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{F4NUDQW2UP63KVNAQWYW7GXUZY}

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	2026-05-18T00:21:25.844687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1b41c2daa3fdb555a085b16f9af4ce1e613fe4a2fa3b8e0c8a997f733424a0

Aliases

arxiv: 1708.03224 · arxiv_version: 1708.03224v1 · doi: 10.48550/arxiv.1708.03224 · pith_short_12: F4NUDQW2UP63 · pith_short_16: F4NUDQW2UP63KVNA · pith_short_8: F4NUDQW2

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/F4NUDQW2UP63KVNAQWYW7GXUZY \
  | 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: 2f1b41c2daa3fdb555a085b16f9af4ce1e613fe4a2fa3b8e0c8a997f733424a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1457e6573a15a4d3e953b0acaa0b551b3a978d4624839a361b2be76b14b027",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-10T14:05:57Z",
    "title_canon_sha256": "6c21424bb46695bef10fe83749dfd76e49e8c941f5bd7d6946db8cd42be3085e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03224",
    "kind": "arxiv",
    "version": 1
  }
}