Pith Number

pith:KAULSFXX

pith:2025:KAULSFXX55HMQLM366DEWO53ON

not attested not anchored not stored refs pending

Compass-Thinker-7B Technical Report

Anxiang Zeng, Haibo Zhang, Kaixiang Mo, Long Zhang, Shuman Liu, Yanhui Huang, Yawen Liu, Yuepeng Sheng, Yuwei Huang

arxiv:2508.08909 v2 · 2025-08-12 · 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{KAULSFXX55HMQLM366DEWO53ON}

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	2026-07-05T11:53:50.707659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5028b916f7ef4ec82d9bf7864b3bbb734d2412ce13940d2d377a2c1f0587bb27

Aliases

arxiv: 2508.08909 · arxiv_version: 2508.08909v2 · doi: 10.48550/arxiv.2508.08909 · pith_short_12: KAULSFXX55HM · pith_short_16: KAULSFXX55HMQLM3 · pith_short_8: KAULSFXX

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/KAULSFXX55HMQLM366DEWO53ON \
  | 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: 5028b916f7ef4ec82d9bf7864b3bbb734d2412ce13940d2d377a2c1f0587bb27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a66765bb0688f6acb8f6cbee11618328882f3399ee6b583039a3b34f97f6329d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-08-12T12:58:12Z",
    "title_canon_sha256": "e551393a176c253f7d3e23372a10694a1891291d2887fb4adea78a575bc99b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08909",
    "kind": "arxiv",
    "version": 2
  }
}