Pith Number

pith:PRJG7ZG5

pith:2026:PRJG7ZG5S62B2ZDVVIDYQAAGHY

not attested not anchored not stored refs pending

Pooling and Semantic Shift: The Fundamental Challenges in Long Text Embedding and Retrieval

Dimitris N. Metaxas, Hang Gao, Kai Mei, Wujiang Xu

arxiv:2603.21437 v2 · 2026-03-22 · cs.CL · 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{PRJG7ZG5S62B2ZDVVIDYQAAGHY}

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	2026-05-25T02:01:17.967493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c526fe4dd97b41d6475aa078800063e37b555ab121a109f2ed0345b35364b25

Aliases

arxiv: 2603.21437 · arxiv_version: 2603.21437v2 · doi: 10.48550/arxiv.2603.21437 · pith_short_12: PRJG7ZG5S62B · pith_short_16: PRJG7ZG5S62B2ZDV · pith_short_8: PRJG7ZG5

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/PRJG7ZG5S62B2ZDVVIDYQAAGHY \
  | 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: 7c526fe4dd97b41d6475aa078800063e37b555ab121a109f2ed0345b35364b25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff357964bf7791c397d1fc3fa28b08b89b469b74133f55686070f17bc21ccb8b",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-22T22:58:11Z",
    "title_canon_sha256": "8c44474e3b8d9215650e8783be41260f2d59b1a589d9558473cb055ea979c0bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.21437",
    "kind": "arxiv",
    "version": 2
  }
}