pith. sign in
Pith Number

pith:I4N5FZS2

pith:2013:I4N5FZS2VUFFCEHZAHZRIBU5LA
not attested not anchored not stored refs pending

Substance Abuse via Legally Prescribed Drugs: The Case of Vicodin in the United States

Anarina Murillo, Benjamin Freedman, Erika Camacho, Luke Settles, Michael M. Thomas, Stephen Wirkus, Wendy K. Caldwell

arxiv:1308.3673 v1 · 2013-07-26 · q-bio.OT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I4N5FZS2VUFFCEHZAHZRIBU5LA}

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 2026-05-18T03:15:44.296099Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

471bd2e65aad0a5110f901f314069d5811a7c7cf6d37d8fd012371d8e5d636d5

Aliases

arxiv: 1308.3673 · arxiv_version: 1308.3673v1 · doi: 10.48550/arxiv.1308.3673 · pith_short_12: I4N5FZS2VUFF · pith_short_16: I4N5FZS2VUFFCEHZ · pith_short_8: I4N5FZS2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I4N5FZS2VUFFCEHZAHZRIBU5LA \
  | 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: 471bd2e65aad0a5110f901f314069d5811a7c7cf6d37d8fd012371d8e5d636d5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b10870c45ca40b9701dcd1ce63e3539fd47e9d53f86ba6f425e830224e9b7727",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2013-07-26T19:26:55Z",
    "title_canon_sha256": "0e9fec3057c3381a7ebdd82816c83ab6aa01dbbf96e3cc9d148084c57e88992d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3673",
    "kind": "arxiv",
    "version": 1
  }
}