Pith Number

pith:5ISWCQK5

pith:2019:5ISWCQK5V2FMSGRLKGW25KJZ5D

not attested not anchored not stored refs pending

ERSFQ 8-bit Parallel Arithmetic Logic Unit

A. F. Kirichenko, I. V. Vernik, J. Walter, L. R. Albu, M. Miller, M. Y. Kamkar, O. A. Mukhanov

arxiv:1902.09500 v2 · 2019-02-14 · 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{5ISWCQK5V2FMSGRLKGW25KJZ5D}

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	2026-05-17T23:47:25.921901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea2561415dae8ac91a2b51adaea939e8e40b979cad5b1af60453c6bd6fcbf5bf

Aliases

arxiv: 1902.09500 · arxiv_version: 1902.09500v2 · doi: 10.48550/arxiv.1902.09500 · pith_short_12: 5ISWCQK5V2FM · pith_short_16: 5ISWCQK5V2FMSGRL · pith_short_8: 5ISWCQK5

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/5ISWCQK5V2FMSGRLKGW25KJZ5D \
  | 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: ea2561415dae8ac91a2b51adaea939e8e40b979cad5b1af60453c6bd6fcbf5bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed6519d52f74a8bd19e7b2107550ce627fbce52420ccc340ada9f2f06dfa8ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2019-02-14T15:01:32Z",
    "title_canon_sha256": "4a2aef42337fb25b23b75ac1d9f84a775f0dff35a34dec88c53e94a5518d30b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09500",
    "kind": "arxiv",
    "version": 2
  }
}