Pith Number

pith:XBX24ZBX

pith:2012:XBX24ZBXVVMVX4LJ2F5SAH5ZFZ

not attested not anchored not stored refs pending

Swallowing a cellular automaton pill: predicting drug release from a matrix tablet

Aisha Najera, Ami Radunskaya, Ezra Buchla, Peter Hinow

arxiv:1208.3447 v1 · 2012-08-16 · 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{XBX24ZBXVVMVX4LJ2F5SAH5ZFZ}

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	2026-05-18T02:52:32.571923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b86fae6437ad595bf169d17b201fb92e50da916dfa84467fa4b2a6ae80a3ddfa

Aliases

arxiv: 1208.3447 · arxiv_version: 1208.3447v1 · doi: 10.48550/arxiv.1208.3447 · pith_short_12: XBX24ZBXVVMV · pith_short_16: XBX24ZBXVVMVX4LJ · pith_short_8: XBX24ZBX

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/XBX24ZBXVVMVX4LJ2F5SAH5ZFZ \
  | 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: b86fae6437ad595bf169d17b201fb92e50da916dfa84467fa4b2a6ae80a3ddfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d0f29d9cc2e3d96480de240702fef215d82906e23e80d64d9a5dff6346d998",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2012-08-16T19:13:47Z",
    "title_canon_sha256": "c9215a2bad68a087f8cf0aa285f1e419276348d13ed5df4aace3892cda9349be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3447",
    "kind": "arxiv",
    "version": 1
  }
}