Pith Number

pith:VJ5TYWEC

pith:2009:VJ5TYWECJ6B75RMJTQMW33EO35

not attested not anchored not stored refs pending

Finite-size anisotropy in statistically uniform porous media

3) ((1) Institute of Theoretical Physics, Arzhang Khalili (2, Bremen, Germany), Germany (3) Jacobs University, Maciej Matyka (1), Poland (2) Max Planck Institute for Marine Microbiology, University of Wroc{\l}aw, Zbigniew Koza (1)

arxiv:0901.3219 v1 · 2009-01-21 · physics.flu-dyn · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJ5TYWECJ6B75RMJTQMW33EO35}

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	2026-05-18T02:14:56.480662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa7b3c58824f83fec5899c196dec8edf637d9989a18143ca8a4c2e3ac514d452

Aliases

arxiv: 0901.3219 · arxiv_version: 0901.3219v1 · doi: 10.48550/arxiv.0901.3219 · pith_short_12: VJ5TYWECJ6B7 · pith_short_16: VJ5TYWECJ6B75RMJ · pith_short_8: VJ5TYWEC

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/VJ5TYWECJ6B75RMJTQMW33EO35 \
  | 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: aa7b3c58824f83fec5899c196dec8edf637d9989a18143ca8a4c2e3ac514d452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23c1510a747c835b9e9e60b166fb1e26d8fe23ca8b7b5830293217a0d3f0acd8",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-01-21T10:02:34Z",
    "title_canon_sha256": "79fd102596f302aa68c6e687afb2d96a6da5122004146c3db6476058de37ee17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3219",
    "kind": "arxiv",
    "version": 1
  }
}