Pith Number

pith:XLKSTXYT

pith:2019:XLKSTXYTI67S6EZX4OKFO4OJVL

not attested not anchored not stored refs pending

Drug delivery from microcapsules: how can we estimate the release time?

Elliot J. Carr, Giuseppe Pontrelli

arxiv:1901.08231 v1 · 2019-01-24 · physics.med-ph · cond-mat.soft

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLKSTXYTI67S6EZX4OKFO4OJVL}

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	2026-05-17T23:55:37.592635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad529df1347bf2f1337e3945771c9aafafb0b950c204ad5087228fce29246d6

Aliases

arxiv: 1901.08231 · arxiv_version: 1901.08231v1 · doi: 10.48550/arxiv.1901.08231 · pith_short_12: XLKSTXYTI67S · pith_short_16: XLKSTXYTI67S6EZX · pith_short_8: XLKSTXYT

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/XLKSTXYTI67S6EZX4OKFO4OJVL \
  | 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: bad529df1347bf2f1337e3945771c9aafafb0b950c204ad5087228fce29246d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea6925a860ebfa37fdb076344a85b11cf45ceb35fdca47cfc90820dfecd9115",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-01-24T04:42:33Z",
    "title_canon_sha256": "eb6ac9d3b56c0949bd23e91d4a927925cc94f45a7ad1bc97a6c4b082e3deafb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08231",
    "kind": "arxiv",
    "version": 1
  }
}