Pith Number

pith:2EBLYPPU

pith:2026:2EBLYPPUGDRAR2WEKRYPZAFHAJ

not attested not anchored not stored refs pending

Stemma: Induced Decision Regions Reveal LLM Provenance

Andrew Martin, Keyu Zhang, Vadim Safronov

arxiv:2607.25880 v1 · 2026-07-28 · cs.CR · cs.AI · 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{2EBLYPPUGDRAR2WEKRYPZAFHAJ}

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	2026-07-29T01:26:08.357560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d102bc3df430e208eac45470fc80a7025256d1f965cd999cf64261298d70b442

Aliases

arxiv: 2607.25880 · arxiv_version: 2607.25880v1 · doi: 10.48550/arxiv.2607.25880 · pith_short_12: 2EBLYPPUGDRA · pith_short_16: 2EBLYPPUGDRAR2WE · pith_short_8: 2EBLYPPU

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/2EBLYPPUGDRAR2WEKRYPZAFHAJ \
  | 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: d102bc3df430e208eac45470fc80a7025256d1f965cd999cf64261298d70b442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c61e978d134671966ccae2dedb894b21f2c6f827672ac3454ab41de36692a0e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-28T15:42:53Z",
    "title_canon_sha256": "75fd05d34568848f2a9dc025031aaaf64fe9413f2c6c5c86f408fcb00d19ba47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25880",
    "kind": "arxiv",
    "version": 1
  }
}