Pith Number

pith:IDK5M4ZP

pith:2026:IDK5M4ZPLPSKZV5ICZQHMUQNQD

not attested not anchored not stored refs pending

SIFT: Selective-Index For Fast Compute of RAG Prefill by Exploiting Attention Invariance

Hritvik Taneja, Moinuddin Qureshi, Rya Sanovar, Srikant Bharadwaj

arxiv:2606.09441 v1 · 2026-06-08 · cs.AI · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDK5M4ZPLPSKZV5ICZQHMUQNQD}

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	2026-06-09T02:08:48.706482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40d5d6732f5be4acd7a8166076520d80e201af3c36c1c7fc78c5c818da20d099

Aliases

arxiv: 2606.09441 · arxiv_version: 2606.09441v1 · doi: 10.48550/arxiv.2606.09441 · pith_short_12: IDK5M4ZPLPSK · pith_short_16: IDK5M4ZPLPSKZV5I · pith_short_8: IDK5M4ZP

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/IDK5M4ZPLPSKZV5ICZQHMUQNQD \
  | 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: 40d5d6732f5be4acd7a8166076520d80e201af3c36c1c7fc78c5c818da20d099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24144b8e8dfdc020b4d720ab3035274c7670450b966f97b291ff3e079f12155",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-08T12:50:13Z",
    "title_canon_sha256": "3d75ba19bdbcb7552324f5427f674f747f09f1e53f2fd6b3a9463ca261cf5bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09441",
    "kind": "arxiv",
    "version": 1
  }
}