Pith Number

pith:HUOK2DPX

pith:2026:HUOK2DPXOOUQHRP7L3NSK632ON

not attested not anchored not stored refs pending

Curation and Extraction of Drug-Related Entities from Reddit Platform

Michael Chary, Yifan Peng, Yishu Wei, Zewei Wang, Zihan Xu

arxiv:2605.26445 v1 · 2026-04-08 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUOK2DPXOOUQHRP7L3NSK632ON}

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	2026-05-27T01:05:18.301241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1cad0df773a903c5ff5edb257b7a7361b22c9b64dcf4b7ccb61fa019793791

Aliases

arxiv: 2605.26445 · arxiv_version: 2605.26445v1 · doi: 10.48550/arxiv.2605.26445 · pith_short_12: HUOK2DPXOOUQ · pith_short_16: HUOK2DPXOOUQHRP7 · pith_short_8: HUOK2DPX

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/HUOK2DPXOOUQHRP7L3NSK632ON \
  | 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: 3d1cad0df773a903c5ff5edb257b7a7361b22c9b64dcf4b7ccb61fa019793791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812345d965f592706147796c23449733f14228ed678864411bac9a3a205471dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-04-08T05:05:52Z",
    "title_canon_sha256": "bd2222c461f50051b2b238de7091329d4ed80a7ad1440f7b39df3a7320c2a293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26445",
    "kind": "arxiv",
    "version": 1
  }
}