Pith Number

pith:LLKYIW6E

pith:2018:LLKYIW6ERZNELP6RKQG4S3LQ24

not attested not anchored not stored refs pending

Derivation of the nonlocal pressure form of the fractional porous medium equation in the hydrological setting

{\L}ukasz P{\l}ociniczak

arxiv:1812.08058 v1 · 2018-12-19 · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LLKYIW6ERZNELP6RKQG4S3LQ24}

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	2026-05-17T23:48:07.554132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ad5845bc48e5a45bfd1540dc96d70d70e15657161f3966dce603578b520c648

Aliases

arxiv: 1812.08058 · arxiv_version: 1812.08058v1 · doi: 10.48550/arxiv.1812.08058 · pith_short_12: LLKYIW6ERZNE · pith_short_16: LLKYIW6ERZNELP6R · pith_short_8: LLKYIW6E

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/LLKYIW6ERZNELP6RKQG4S3LQ24 \
  | 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: 5ad5845bc48e5a45bfd1540dc96d70d70e15657161f3966dce603578b520c648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5487a362b71c3720efa133bb859fd35076c4dfeab658cc5bacb6a3975d34404b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-12-19T16:21:27Z",
    "title_canon_sha256": "7226d729d6c0d9b1edb8acd55d23308c1ce4060df77517d92dc5c862189e49e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08058",
    "kind": "arxiv",
    "version": 1
  }
}