Pith Number

pith:NIS5BKWD

pith:2025:NIS5BKWDILXN66RFV4VDC3V2UF

not attested not anchored not stored refs pending

Does UMBRELA Work on Other LLMs?

Laura Dietz, Naghmeh Farzi

arxiv:2507.09483 v1 · 2025-07-13 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIS5BKWDILXN66RFV4VDC3V2UF}

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	2026-07-05T11:36:09.797461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a25d0aac342eedf7a25af2a316ebaa17152ec37126cf3543d0f6468fb01aded

Aliases

arxiv: 2507.09483 · arxiv_version: 2507.09483v1 · doi: 10.48550/arxiv.2507.09483 · pith_short_12: NIS5BKWDILXN · pith_short_16: NIS5BKWDILXN66RF · pith_short_8: NIS5BKWD

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/NIS5BKWDILXN66RFV4VDC3V2UF \
  | 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: 6a25d0aac342eedf7a25af2a316ebaa17152ec37126cf3543d0f6468fb01aded

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925f61387656554a417eed9f7f7935f51fca5a9cba7b942bcd13ee08042a947d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-13T04:05:25Z",
    "title_canon_sha256": "43fc9047a48ca33cbd0fae65d8f867d1985cb8bd0ee62e0905a077b7f34c5c01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09483",
    "kind": "arxiv",
    "version": 1
  }
}