Pith Number

pith:IEGGIGIZ

pith:2026:IEGGIGIZW4TECUAB65OUX6ZS6U

not attested not anchored not stored refs pending

Hubs or Fringes: Pretraining Data Selection via Web Graph Centrality

Danqi Chen, Vedant Badoni, Xinyi Wang

arxiv:2606.11499 v1 · 2026-06-09 · 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{IEGGIGIZW4TECUAB65OUX6ZS6U}

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	2026-06-11T01:09:52.534216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410c641919b726415001f75d4bfb32f53f3226d6294ff57fa3365228e560f774

Aliases

arxiv: 2606.11499 · arxiv_version: 2606.11499v1 · doi: 10.48550/arxiv.2606.11499 · pith_short_12: IEGGIGIZW4TE · pith_short_16: IEGGIGIZW4TECUAB · pith_short_8: IEGGIGIZ

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/IEGGIGIZW4TECUAB65OUX6ZS6U \
  | 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: 410c641919b726415001f75d4bfb32f53f3226d6294ff57fa3365228e560f774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08977b1ee80bdf865a55e41af544d6860aa5e0c50f0ae20957cb03985a05acc0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-09T22:44:47Z",
    "title_canon_sha256": "aa38d645fdd4889e56d5be44d151c0ac5ec4079441e464d8e3704dd16e21e015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11499",
    "kind": "arxiv",
    "version": 1
  }
}