Pith Number

pith:DDQNQOPT

pith:2018:DDQNQOPT7AOJXSYA6T6ECYMNFB

not attested not anchored not stored refs pending

On the influence of cell size on network modelling of water retention and conductivity of geomaterials

Ignatios Athanasiadis, Peter Grassl, Simon Wheeler

arxiv:1811.11542 v1 · 2018-11-20 · 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{DDQNQOPT7AOJXSYA6T6ECYMNFB}

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	2026-05-17T23:59:40.777275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e0d839f3f81c9bcb00f4fc41618d2845f05de42934757953e53885b99d6792

Aliases

arxiv: 1811.11542 · arxiv_version: 1811.11542v1 · doi: 10.48550/arxiv.1811.11542 · pith_short_12: DDQNQOPT7AOJ · pith_short_16: DDQNQOPT7AOJXSYA · pith_short_8: DDQNQOPT

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/DDQNQOPT7AOJXSYA6T6ECYMNFB \
  | 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: 18e0d839f3f81c9bcb00f4fc41618d2845f05de42934757953e53885b99d6792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf7f30e6ac9eebc264738aaa808509024e2d426ec3ace37a94a2fa28fcc9315a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-11-20T23:02:59Z",
    "title_canon_sha256": "a7ca915032627346a7b55b2521058f5216348b54f400a4839285db19c92c2dff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11542",
    "kind": "arxiv",
    "version": 1
  }
}