Pith Number

pith:4KPNFNV3

pith:2019:4KPNFNV3F3UN4MPBX5XFWVGJAP

not attested not anchored not stored refs pending

Ara: A 1 GHz+ Scalable and Energy-Efficient RISC-V Vector Processor with Multi-Precision Floating Point Support in 22 nm FD-SOI

Fabian Schuiki, Florian Zaruba, Luca Benini, Matheus Cavalcante, Michael Schaffner

arxiv:1906.00478 v3 · 2019-06-02 · 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{4KPNFNV3F3UN4MPBX5XFWVGJAP}

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	2026-07-05T04:41:22.474893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e29ed2b6bb2ee8de31e1bf6e5b54c903c7b237834c880ef14f8009e2b60e5465

Aliases

arxiv: 1906.00478 · arxiv_version: 1906.00478v3 · doi: 10.48550/arxiv.1906.00478 · pith_short_12: 4KPNFNV3F3UN · pith_short_16: 4KPNFNV3F3UN4MPB · pith_short_8: 4KPNFNV3

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/4KPNFNV3F3UN4MPBX5XFWVGJAP \
  | 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: e29ed2b6bb2ee8de31e1bf6e5b54c903c7b237834c880ef14f8009e2b60e5465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ded37edb4f1a3b8d358d01ba0b2259bc573063ec2da3fa46ea7381e4e74d720",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2019-06-02T20:33:22Z",
    "title_canon_sha256": "61a824edd89960179b1ce3ed4f888a14619010d1c7bdecdb3021d653f0874642"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00478",
    "kind": "arxiv",
    "version": 3
  }
}