Pith Number

pith:TF5SI26K

pith:2025:TF5SI26KE5TCXOZQVWWLDJYCD4

not attested not anchored not stored refs pending

What's the Difference? Supporting Users in Identifying the Effects of Prompt and Model Changes Through Token Patterns

Anyi Wang, Barbara Plank, Florian Eichin, Jonas Fischer, Michael A. Hedderich, Raoyuan Zhao

arxiv:2504.15815 v2 · 2025-04-22 · cs.CL · cs.HC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TF5SI26KE5TCXOZQVWWLDJYCD4}

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	2026-07-05T11:12:31.011299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

997b246bca27662bbb30adacb1a7021f27f571b61f97da64235c9aa3490dd2a2

Aliases

arxiv: 2504.15815 · arxiv_version: 2504.15815v2 · doi: 10.48550/arxiv.2504.15815 · pith_short_12: TF5SI26KE5TC · pith_short_16: TF5SI26KE5TCXOZQ · pith_short_8: TF5SI26K

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/TF5SI26KE5TCXOZQVWWLDJYCD4 \
  | 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: 997b246bca27662bbb30adacb1a7021f27f571b61f97da64235c9aa3490dd2a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4336b89cbb926eb372ba4360168711165938b0e0604786408c68853463d74dc3",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-22T11:53:33Z",
    "title_canon_sha256": "982268688e98515e52365b119b947067b961ea5845ffd152e56fd0e66204ee99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15815",
    "kind": "arxiv",
    "version": 2
  }
}