Pith Number

pith:HVH2OUCU

pith:2025:HVH2OUCUO7I4JJMAPOQL2DAPYS

not attested not anchored not stored refs pending

SPECTRE: An FFT-Based Efficient Drop-In Replacement to Self-Attention for Long Contexts

Jacob Fein-Ashley, Neelesh Gupta, Rajgopal Kannan, Viktor Prasanna

arxiv:2502.18394 v7 · 2025-02-25 · 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{HVH2OUCUO7I4JJMAPOQL2DAPYS}

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

2 papers in Pith

CHASM: Cross-frequency Harmonized Axis-Separable Mixing for Spectral Token Operators

Caracal: Causal Architecture via Spectral Mixing

Receipt and verification

First computed	2026-07-05T11:04:46.354822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4fa7505477d1c4a5807ba0bd0c0fc49da03f178a2ea3949600c662854a238e

Aliases

arxiv: 2502.18394 · arxiv_version: 2502.18394v7 · doi: 10.48550/arxiv.2502.18394 · pith_short_12: HVH2OUCUO7I4 · pith_short_16: HVH2OUCUO7I4JJMA · pith_short_8: HVH2OUCU

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/HVH2OUCUO7I4JJMAPOQL2DAPYS \
  | 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: 3d4fa7505477d1c4a5807ba0bd0c0fc49da03f178a2ea3949600c662854a238e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb0fe9210714d2e22200a0f7b7e8e0996eb874c58a6ca0ab48eca76bd8bb7e8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-25T17:43:43Z",
    "title_canon_sha256": "e45b7251bb78e54d07317759033231a2c683b74990be1099637b48850bc43506"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18394",
    "kind": "arxiv",
    "version": 7
  }
}