Pith Number

pith:4NMWYW6R

pith:2021:4NMWYW6RLGKZT2JPYLRH4THCWS

not attested not anchored not stored refs pending

The Understanding of Intertwined Physics: Discovering Capillary Pressure and Permeability Co-Determination

Djamel Ouzzane, Mohamed Sassi, Omar Alfarisi, Tiejun Zhang

arxiv:2112.12784 v2 · 2021-12-23 · physics.flu-dyn · astro-ph.IM · physics.geo-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{4NMWYW6RLGKZT2JPYLRH4THCWS}

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	2026-07-05T03:46:04.187750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3596c5bd1599599e92fc2e27e4ce2b4b700bfc16542203d10edac3ba6f6b537

Aliases

arxiv: 2112.12784 · arxiv_version: 2112.12784v2 · doi: 10.48550/arxiv.2112.12784 · pith_short_12: 4NMWYW6RLGKZ · pith_short_16: 4NMWYW6RLGKZT2JP · pith_short_8: 4NMWYW6R

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/4NMWYW6RLGKZT2JPYLRH4THCWS \
  | 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: e3596c5bd1599599e92fc2e27e4ce2b4b700bfc16542203d10edac3ba6f6b537

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e4f0508e126f5d0a29c1a6b1dd5ea9c5e6fa36f96410cf7d4ef7571266373ae",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-12-23T18:58:24Z",
    "title_canon_sha256": "cef4b014967f7caf59d8bf2192fd003755bb8a85996f78be3e0e80800570b423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12784",
    "kind": "arxiv",
    "version": 2
  }
}