Pith Number

pith:BEH7BWTD

pith:2012:BEH7BWTDNLYILUWZRP7F4CFCF4

not attested not anchored not stored refs pending

Two-Phase Flow in Porous Media: Scaling of Steady-State Effective Permeability

Morten Gr{\o}va

arxiv:1201.4811 v2 · 2012-01-23 · physics.flu-dyn · cond-mat.soft · 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{BEH7BWTDNLYILUWZRP7F4CFCF4}

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	2026-05-18T03:56:10.378412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

090ff0da636af085d2d98bfe5e08a22f2905a57972f60a728f3c176871db6dda

Aliases

arxiv: 1201.4811 · arxiv_version: 1201.4811v2 · doi: 10.48550/arxiv.1201.4811 · pith_short_12: BEH7BWTDNLYI · pith_short_16: BEH7BWTDNLYILUWZ · pith_short_8: BEH7BWTD

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/BEH7BWTDNLYILUWZRP7F4CFCF4 \
  | 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: 090ff0da636af085d2d98bfe5e08a22f2905a57972f60a728f3c176871db6dda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80ec5bc14c0dfdf5681cd3c306f68985c10a2203141443167931c30307884a2",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-01-23T18:58:15Z",
    "title_canon_sha256": "5f5f2c7a9ea0db9960da7adc6c836a03fcc8ca881f0daedf0064c979b3d48403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4811",
    "kind": "arxiv",
    "version": 2
  }
}