Pith Number

pith:2K3TRM62

pith:2020:2K3TRM62POZTRL3EJOBSIMEIVX

not attested not anchored not stored refs pending

Discovering key topics from short, real-world medical inquiries via natural language processing and unsupervised learning

Andreas Mattern, Angelo Ziletti, Christoph Berns, David Ruau, Jagatheswari Virayah, Jennifer Liang, Marion Schwaerzler, Oliver Treichel, Stephanie Kammerath, Thomas Weber, Xin Ma

arxiv:2012.04545 v1 · 2020-12-08 · cs.LG · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2K3TRM62POZTRL3EJOBSIMEIVX}

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	2026-07-05T03:26:14.472709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b738b3da7bb338af644b83243088adf73dc05afc98ebc63e9598b444c4bfeb

Aliases

arxiv: 2012.04545 · arxiv_version: 2012.04545v1 · doi: 10.48550/arxiv.2012.04545 · pith_short_12: 2K3TRM62POZT · pith_short_16: 2K3TRM62POZTRL3E · pith_short_8: 2K3TRM62

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/2K3TRM62POZTRL3EJOBSIMEIVX \
  | 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: d2b738b3da7bb338af644b83243088adf73dc05afc98ebc63e9598b444c4bfeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1fddbfa0b5d6e84096bc468614b697577bd173396de19eba6a8de327a7f6536",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-08T16:37:34Z",
    "title_canon_sha256": "7eb2479afbc5e23415176d7a9f74ef68420cce9efc6f3980551082d5c9197dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04545",
    "kind": "arxiv",
    "version": 1
  }
}