Pith Number

pith:U62FLIG2

pith:2021:U62FLIG2CRHI3ORPCLAJBW2HSW

not attested not anchored not stored refs pending

A Graph-based Imputation Method for Sparse Medical Records

Jer Hayes, Ramon Vinas, Xu Zheng

arxiv:2111.09084 v1 · 2021-11-17 · 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{U62FLIG2CRHI3ORPCLAJBW2HSW}

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	2026-07-05T03:32:57.231854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b455a0da144e8dba2f12c090db4795bfd3c1872820c647f51dc214a96feb5f

Aliases

arxiv: 2111.09084 · arxiv_version: 2111.09084v1 · doi: 10.48550/arxiv.2111.09084 · pith_short_12: U62FLIG2CRHI · pith_short_16: U62FLIG2CRHI3ORP · pith_short_8: U62FLIG2

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/U62FLIG2CRHI3ORPCLAJBW2HSW \
  | 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: a7b455a0da144e8dba2f12c090db4795bfd3c1872820c647f51dc214a96feb5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6fc1069d7afe1fc7baaec48a7aca2382f1cff4bb721b34d9f0060151573e85",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-11-17T13:06:08Z",
    "title_canon_sha256": "71a96071a0c7e43459d41520d6118ae68b9001e2001ea9d54f9dc1ba4d33afbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09084",
    "kind": "arxiv",
    "version": 1
  }
}