Pith Number

pith:QGXPIFON

pith:2026:QGXPIFONRXJLJS2OTZN3MYVENS

not attested not anchored not stored refs pending

Cracks in the Foundation: Seemingly Minor Architectural Choices Impact Long Context Extension

Amanda Bertsch, Dirk Groeneveld, Graham Neubig, Hannaneh Hajishirzi, Kyle Lo, Luca Soldaini, Matthew R. Gormley

arxiv:2608.10296 v1 · 2026-08-10 · 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{QGXPIFONRXJLJS2OTZN3MYVENS}

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	2026-08-12T00:23:49.084175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81aef415cd8dd2b4cb4e9e5bb662a46c9ba6e6c0c5fe64a9a49c98cf220607fb

Aliases

arxiv: 2608.10296 · arxiv_version: 2608.10296v1 · doi: 10.48550/arxiv.2608.10296 · pith_short_12: QGXPIFONRXJL · pith_short_16: QGXPIFONRXJLJS2O · pith_short_8: QGXPIFON

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/QGXPIFONRXJLJS2OTZN3MYVENS \
  | 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: 81aef415cd8dd2b4cb4e9e5bb662a46c9ba6e6c0c5fe64a9a49c98cf220607fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d86ccb451d28055cc135c39c8cc5c719a66953c19b2805591afa8ac2e228a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-10T23:03:32Z",
    "title_canon_sha256": "503a3a3703e53a45f029762a3e94340b63c94b1ec012bde058b5409d162e544c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10296",
    "kind": "arxiv",
    "version": 1
  }
}