Pith Number

pith:PPDW3UOX

pith:2014:PPDW3UOX47Y4ABDDSSAJ2IUIRF

not attested not anchored not stored refs pending

Approximate self-similar solutions for the boundary value problem arising in modeling of gas flow in porous media with pressure dependent permeability

Mark B. Kochanov, Nikolay A. Kudryashov, Viktoria L. Savatorova

arxiv:1409.8236 v1 · 2014-09-26 · 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{PPDW3UOX47Y4ABDDSSAJ2IUIRF}

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	2026-05-18T02:41:33.527856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc76dd1d7e7f1c0046394809d2288894b30892aa3114e9259431f2eeaa84977

Aliases

arxiv: 1409.8236 · arxiv_version: 1409.8236v1 · doi: 10.48550/arxiv.1409.8236 · pith_short_12: PPDW3UOX47Y4 · pith_short_16: PPDW3UOX47Y4ABDD · pith_short_8: PPDW3UOX

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/PPDW3UOX47Y4ABDDSSAJ2IUIRF \
  | 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: 7bc76dd1d7e7f1c0046394809d2288894b30892aa3114e9259431f2eeaa84977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbc3472e8b2caefef67c841b8962870342d7927d1ecc770c9891795bd78bc93f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-09-26T13:07:14Z",
    "title_canon_sha256": "c293278bc65459ea15be64ba0a68951796deecdbdebdaff40f30f3f59737ebbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8236",
    "kind": "arxiv",
    "version": 1
  }
}