Pith Number

pith:WQ6JZNXW

pith:2017:WQ6JZNXWBZDK3GTFSB7FLRJSDG

not attested not anchored not stored refs pending

Mathematical modelling of drug release from multi-layer capsules

Badr Kaoui, Giuseppe Pontrelli, Marco Lauricella

arxiv:1708.01205 v1 · 2017-08-01 · physics.med-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{WQ6JZNXWBZDK3GTFSB7FLRJSDG}

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	2026-05-18T00:38:40.356830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43c9cb6f60e46ad9a65907e55c53219b56db4a52c8696b7b0180a06bffdda6c

Aliases

arxiv: 1708.01205 · arxiv_version: 1708.01205v1 · doi: 10.48550/arxiv.1708.01205 · pith_short_12: WQ6JZNXWBZDK · pith_short_16: WQ6JZNXWBZDK3GTF · pith_short_8: WQ6JZNXW

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/WQ6JZNXWBZDK3GTFSB7FLRJSDG \
  | 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: b43c9cb6f60e46ad9a65907e55c53219b56db4a52c8696b7b0180a06bffdda6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c035cd8e21f3c9dff083165e94dbeb47a4185c8304ef74e831da392cbae00f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-08-01T17:59:13Z",
    "title_canon_sha256": "755c46cee7e05cdcd69d4300b72ec3e777efeaf872573cc27b38586ca264770d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01205",
    "kind": "arxiv",
    "version": 1
  }
}