Pith Number

pith:UC3G2QOI

pith:2026:UC3G2QOIJ5FAFZEDXXX6PTIZ3N

not attested not anchored not stored refs pending

Do LLM Embedding Spaces Recover Expert Structure?

Fanghen Li, Yixuan Zhu, Zhenke Duan

arxiv:2606.23394 v1 · 2026-06-22 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UC3G2QOIJ5FAFZEDXXX6PTIZ3N}

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	2026-06-23T03:14:18.839902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b66d41c84f4a02e483bdefe7cd19db76e2c73814c98f0a48645225df9dc1ab

Aliases

arxiv: 2606.23394 · arxiv_version: 2606.23394v1 · doi: 10.48550/arxiv.2606.23394 · pith_short_12: UC3G2QOIJ5FA · pith_short_16: UC3G2QOIJ5FAFZED · pith_short_8: UC3G2QOI

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/UC3G2QOIJ5FAFZEDXXX6PTIZ3N \
  | 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: a0b66d41c84f4a02e483bdefe7cd19db76e2c73814c98f0a48645225df9dc1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ebb779dfbf1d5d5d5d85693c2c394dbdd65518a2d03ada6b899e41ad37b867",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-22T14:19:57Z",
    "title_canon_sha256": "9808e9170a2dfa3b59955cceb61240b67f2464e36e1a5086c19cac7f73f90b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23394",
    "kind": "arxiv",
    "version": 1
  }
}