Pith Number

pith:27JUXS7K

pith:2018:27JUXS7K5WTFHG65IDXVSCZS5I

not attested not anchored not stored refs pending

From Text to Topics in Healthcare Records: An Unsupervised Graph Partitioning Methodology

Erik Mayer, Mauricio Barahona, M. Tarik Altuncu, Sophia N. Yaliraki

arxiv:1807.02599 v1 · 2018-07-07 · cs.CL · cs.IR · cs.LG · cs.SI · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27JUXS7K5WTFHG65IDXVSCZS5I}

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	2026-05-18T00:11:16.600003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7d34bcbeaeda6539bdd40ef590b32ea0dcd31b01b1827779010517ef32158f7

Aliases

arxiv: 1807.02599 · arxiv_version: 1807.02599v1 · doi: 10.48550/arxiv.1807.02599 · pith_short_12: 27JUXS7K5WTF · pith_short_16: 27JUXS7K5WTFHG65 · pith_short_8: 27JUXS7K

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/27JUXS7K5WTFHG65IDXVSCZS5I \
  | 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: d7d34bcbeaeda6539bdd40ef590b32ea0dcd31b01b1827779010517ef32158f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb74b1946d7a17ed3870cfe39d495975325f2ea0c3c44b134a93aaf03823be0d",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "cs.SI",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-07T01:14:10Z",
    "title_canon_sha256": "301f13f4f0cef6884af01f0ccce36df5dab5cb5e0f3f1eb4578d9b99407339ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02599",
    "kind": "arxiv",
    "version": 1
  }
}