Pith Number

pith:CZUXEISG

pith:2026:CZUXEISGVBEXFDZDUTBII3BFZI

not attested not anchored not stored refs pending

Vital Trace: Protocol-Constrained Patient-State Reasoning for Longitudinal Clinical Trajectories

Michael F\"arber, Zhan Qu

arxiv:2602.12833 v2 · 2026-02-13 · cs.LG · cs.AI · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CZUXEISGVBEXFDZDUTBII3BFZI}

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	2026-05-27T01:05:44.554306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1669722246a849728f23a4c2846c25ca149edcb251ed0da383255a550a84cf92

Aliases

arxiv: 2602.12833 · arxiv_version: 2602.12833v2 · doi: 10.48550/arxiv.2602.12833 · pith_short_12: CZUXEISGVBEX · pith_short_16: CZUXEISGVBEXFDZD · pith_short_8: CZUXEISG

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/CZUXEISGVBEXFDZDUTBII3BFZI \
  | 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: 1669722246a849728f23a4c2846c25ca149edcb251ed0da383255a550a84cf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d9cf34d0effc31bda518edb900c1e851bbea014dc34fb1b2e75f69e569dded6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-13T11:39:19Z",
    "title_canon_sha256": "dd7439315755e4aefc0c13589a0f0f81ddc177cea28179c54c34541f7e13f4e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.12833",
    "kind": "arxiv",
    "version": 2
  }
}