Pith Number

pith:EUYBJL6U

pith:2020:EUYBJL6UMFYI3V3YLVMKQIJSMF

not attested not anchored not stored refs pending

RapidLayout: Fast Hard Block Placement of FPGA-optimized Systolic Arrays using Evolutionary Algorithms

Nachiket Kapre, Niansong Zhang, Xiang Chen

arxiv:2002.06998 v3 · 2020-02-17 · 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{EUYBJL6UMFYI3V3YLVMKQIJSMF}

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	2026-07-05T01:20:15.427962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

253014afd461708dd7785d58a82132615e69ccd322fdcb8ec4258d00f9da66c4

Aliases

arxiv: 2002.06998 · arxiv_version: 2002.06998v3 · doi: 10.48550/arxiv.2002.06998 · pith_short_12: EUYBJL6UMFYI · pith_short_16: EUYBJL6UMFYI3V3Y · pith_short_8: EUYBJL6U

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/EUYBJL6UMFYI3V3YLVMKQIJSMF \
  | 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: 253014afd461708dd7785d58a82132615e69ccd322fdcb8ec4258d00f9da66c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d412f036167086a88050f40fb2c3a2630a07c8087a102a9eb7e63ea856cde3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2020-02-17T15:16:22Z",
    "title_canon_sha256": "430a1156ded3baa1826af008b8ce439ff440f6f2c4bb41ab64c9543e361a9ac1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06998",
    "kind": "arxiv",
    "version": 3
  }
}