Pith Number

pith:PIB5PHO6

pith:2026:PIB5PHO6WWS5HWYG4QAGH3ZRDO

not attested not anchored not stored refs pending

UModel: An Agent-Ready Observability Data Modeling Method at Scale

Changhua Pei, Cheng Zhang, Dan Pei, Fang Situ, Gaogang Xie, Hang Cui, Jingjing Li, Qi Zhou, Xiaohui Nie, Xidao Wen, Xin Zhang, Zexin Wang, Zheyuan Li

arxiv:2606.04799 v1 · 2026-06-03 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PIB5PHO6WWS5HWYG4QAGH3ZRDO}

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	2026-06-04T01:09:30.562649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a03d79ddeb5a5d3db06e40063ef311b8327a69bbd5d3da611a768e312a9ba44

Aliases

arxiv: 2606.04799 · arxiv_version: 2606.04799v1 · doi: 10.48550/arxiv.2606.04799 · pith_short_12: PIB5PHO6WWS5 · pith_short_16: PIB5PHO6WWS5HWYG · pith_short_8: PIB5PHO6

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/PIB5PHO6WWS5HWYG4QAGH3ZRDO \
  | 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: 7a03d79ddeb5a5d3db06e40063ef311b8327a69bbd5d3da611a768e312a9ba44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "803f80c15b7e937c6eb3d2a26ad1a4eca469059c89f557661a0183296eee5ac8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-03T12:25:50Z",
    "title_canon_sha256": "1daa218997b25513fbf787a2d5926e34ee3675e6a6043b5764504cb9950ee5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04799",
    "kind": "arxiv",
    "version": 1
  }
}