Pith Number

pith:YXNY4ZDY

pith:2019:YXNY4ZDYUN3NB3XFWLKYS5YQ6Y

not attested not anchored not stored refs pending

A Knowledge Graph-based Approach for Exploring the U.S. Opioid Epidemic

Ayin Vala, James Zou, Maulik R. Kamdar, Shea Shelton, Suzanne Tamang, Tome Eftimov, Tymor Hamamsy

arxiv:1905.11513 v1 · 2019-05-27 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXNY4ZDYUN3NB3XFWLKYS5YQ6Y}

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	2026-05-17T23:44:53.183007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5db8e6478a376d0eee5b2d5897710f62793e14fec52a42af9915f34bf274a3a

Aliases

arxiv: 1905.11513 · arxiv_version: 1905.11513v1 · doi: 10.48550/arxiv.1905.11513 · pith_short_12: YXNY4ZDYUN3N · pith_short_16: YXNY4ZDYUN3NB3XF · pith_short_8: YXNY4ZDY

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/YXNY4ZDYUN3NB3XFWLKYS5YQ6Y \
  | 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: c5db8e6478a376d0eee5b2d5897710f62793e14fec52a42af9915f34bf274a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97bcbaa00e61330bdeafd9aa89a043d7715bd5df2687675afca0b71e1b0acdf7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-05-27T21:25:51Z",
    "title_canon_sha256": "77bd06ef345a61d273539e5d99cae7580add1f5890be243b34fc481abe9acbf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11513",
    "kind": "arxiv",
    "version": 1
  }
}