Pith Number

pith:KOD22MZ2

pith:2026:KOD22MZ2UWM3CLXKAVEUAFRIYG

not attested not anchored not stored refs pending

Evo-PI: Aligning Medical Reasoning via Evolving Principle-Guided Supervision

Huan Gao, Kaiqi Zhao, Meng-Fen Chiang, Michael Witbrock, Shangyang Li, Xianda Zheng

arxiv:2606.31800 v1 · 2026-06-30 · 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{KOD22MZ2UWM3CLXKAVEUAFRIYG}

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	2026-07-01T01:18:15.669575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5387ad333aa599b12eea0549401628c18b1d1c11f9be2f02e4d6e5c81411281c

Aliases

arxiv: 2606.31800 · arxiv_version: 2606.31800v1 · doi: 10.48550/arxiv.2606.31800 · pith_short_12: KOD22MZ2UWM3 · pith_short_16: KOD22MZ2UWM3CLXK · pith_short_8: KOD22MZ2

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/KOD22MZ2UWM3CLXKAVEUAFRIYG \
  | 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: 5387ad333aa599b12eea0549401628c18b1d1c11f9be2f02e4d6e5c81411281c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93c6629e3876e06ae2c0a777f2e89365a5b63d0feeff1122a3b2bf56e1b8e86d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-30T15:19:26Z",
    "title_canon_sha256": "3e63f172b63f65623c9b1a088875cb68278f70ab9a6de16b9444865f44eb463a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31800",
    "kind": "arxiv",
    "version": 1
  }
}