Pith Number

pith:YQO2D2FS

pith:2014:YQO2D2FSPGJVB3LJGN4QORS56D

not attested not anchored not stored refs pending

Analytical studies of a time-fractional porous medium equation. Derivation, approximation and applications

{\L}ukasz P{\l}ociniczak

arxiv:1409.1825 v1 · 2014-09-03 · math.AP · 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{YQO2D2FSPGJVB3LJGN4QORS56D}

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	2026-05-18T02:04:04.771347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c41da1e8b2799350ed69337907465df0ea2a1611fb135dd1c44444f7dae449e2

Aliases

arxiv: 1409.1825 · arxiv_version: 1409.1825v1 · doi: 10.48550/arxiv.1409.1825 · pith_short_12: YQO2D2FSPGJV · pith_short_16: YQO2D2FSPGJVB3LJ · pith_short_8: YQO2D2FS

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/YQO2D2FSPGJVB3LJGN4QORS56D \
  | 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: c41da1e8b2799350ed69337907465df0ea2a1611fb135dd1c44444f7dae449e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4078b597913e6605eb4c1c968c5cfb938e25a67490ac61715189d879db2072c6",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-03T10:15:45Z",
    "title_canon_sha256": "af90a0db6ac646dfc6f2ab96ff7121a7c083353587f4ec309af51fa0c7154f48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1825",
    "kind": "arxiv",
    "version": 1
  }
}