Pith Number

pith:H6QQNK3D

pith:2025:H6QQNK3DENNG6KDR3ZHQNQ7CYP

not attested not anchored not stored refs pending

Spatial organization of biomass controls intrinsic permeability of porous systems

Alberto Guadagnini, David Scheidweiler, Nolwenn Delouche, Pietro de Anna, Wenqiao Jiao

arxiv:2510.27262 v2 · 2025-10-31 · physics.bio-ph · cond-mat.mtrl-sci · physics.app-ph · 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{H6QQNK3DENNG6KDR3ZHQNQ7CYP}

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	2026-05-29T00:04:12.628282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa106ab63235a6f2871de4f06c3e2c3c47e1bf95de70ee3a8a9530b2be311f2

Aliases

arxiv: 2510.27262 · arxiv_version: 2510.27262v2 · doi: 10.48550/arxiv.2510.27262 · pith_short_12: H6QQNK3DENNG · pith_short_16: H6QQNK3DENNG6KDR · pith_short_8: H6QQNK3D

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/H6QQNK3DENNG6KDR3ZHQNQ7CYP \
  | 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: 3fa106ab63235a6f2871de4f06c3e2c3c47e1bf95de70ee3a8a9530b2be311f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90bdf866276d577fbf27f752c91f2103270051b9987bbb704cff5fc276ebdcd6",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.app-ph",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2025-10-31T08:02:59Z",
    "title_canon_sha256": "7fab14710aa1605d596c7064f243178a652a02fedf9820e95470c3180c89a5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.27262",
    "kind": "arxiv",
    "version": 2
  }
}