Pith Number

pith:PPDYNGHK

pith:2025:PPDYNGHK6R4OZWI7YEXXWV5WAF

not attested not anchored not stored refs pending

A Survey on Transformer Context Extension: Approaches and Evaluation

Jinzheng Yu, Qingfu Zhu, Yang Xu, Yijun Liu, Zhongyang Li

arxiv:2503.13299 v2 · 2025-03-17 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPDYNGHK6R4OZWI7YEXXWV5WAF}

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.

Cited by

1 paper in Pith

Optical Context Compression Is Just (Bad) Autoencoding

Receipt and verification

First computed	2026-07-05T11:33:21.504898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc78698eaf478ecd91fc12f7b57b601759f41f6a5d94e5e07649927e6f44ed3

Aliases

arxiv: 2503.13299 · arxiv_version: 2503.13299v2 · doi: 10.48550/arxiv.2503.13299 · pith_short_12: PPDYNGHK6R4O · pith_short_16: PPDYNGHK6R4OZWI7 · pith_short_8: PPDYNGHK

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/PPDYNGHK6R4OZWI7YEXXWV5WAF \
  | 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: 7bc78698eaf478ecd91fc12f7b57b601759f41f6a5d94e5e07649927e6f44ed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb0b8edf1f2ffc06bdbb593226124982128792a568f6a4bd73716afcabd496d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-17T15:44:09Z",
    "title_canon_sha256": "886d44c189b858b78f44faca1114feb169cd7f0025de5a3de301811a0a7a944b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13299",
    "kind": "arxiv",
    "version": 2
  }
}