Pith Number

pith:BMYIK6WC

pith:2025:BMYIK6WCWWDD5XJFWDMLFQSPSH

not attested not anchored not stored refs pending

SpectR: Dynamically Composing LM Experts with Spectral Routing

Benjamin Van Durme, William Fleshman

arxiv:2504.03454 v2 · 2025-04-04 · cs.CL · cs.AI · 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{BMYIK6WCWWDD5XJFWDMLFQSPSH}

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	2026-07-05T11:54:45.897420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b30857ac2b5863edd25b0d8b2c24f91e0deec9104a5077c15bfd1c77c69c783

Aliases

arxiv: 2504.03454 · arxiv_version: 2504.03454v2 · doi: 10.48550/arxiv.2504.03454 · pith_short_12: BMYIK6WCWWDD · pith_short_16: BMYIK6WCWWDD5XJF · pith_short_8: BMYIK6WC

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/BMYIK6WCWWDD5XJFWDMLFQSPSH \
  | 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: 0b30857ac2b5863edd25b0d8b2c24f91e0deec9104a5077c15bfd1c77c69c783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a536b5aa4e9581e9b2aad488236ca89af5d99ffb47ccd548e92f9f672032ed3e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-04T13:58:44Z",
    "title_canon_sha256": "b89bdc8b76f01fefcf2807e59facb11ec89eea655a63c4590bf980330c3e84ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03454",
    "kind": "arxiv",
    "version": 2
  }
}