Pith Number

pith:YYKYJGL5

pith:2026:YYKYJGL542IYEZRNUUWUASIN34

not attested not anchored not stored refs pending

SERUM: State Extraction and Refinement for User Modeling

Andy J. Phu, Dongyeop Kang, James Mooney, Karin de Langis, Khanh Chi Le

arxiv:2607.29181 v1 · 2026-07-31 · cs.LG · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYKYJGL542IYEZRNUUWUASIN34}

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	2026-08-03T01:20:31.158851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c61584997de69182662da52d40490ddf0e306c18fcbd7b65a740155d5c76ce92

Aliases

arxiv: 2607.29181 · arxiv_version: 2607.29181v1 · doi: 10.48550/arxiv.2607.29181 · pith_short_12: YYKYJGL542IY · pith_short_16: YYKYJGL542IYEZRN · pith_short_8: YYKYJGL5

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/YYKYJGL542IYEZRNUUWUASIN34 \
  | 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: c61584997de69182662da52d40490ddf0e306c18fcbd7b65a740155d5c76ce92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c20cb49151900d935c480c37fcd131172e59694fdefc833a56b404e03dc0940",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-31T09:02:33Z",
    "title_canon_sha256": "ac1a7e919765d67af97c7f6f913a8d8ffbf8694db4d6447e6630f2a4d6defd01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29181",
    "kind": "arxiv",
    "version": 1
  }
}