Pith Number

pith:F4H6DSOS

pith:2022:F4H6DSOS5FLTKXEDQHS2GLYEDQ

not attested not anchored not stored refs pending

FPGA-extended General Purpose Computer Architecture

Myrtle Shah, Philippos Papaphilippou

arxiv:2203.10359 v3 · 2022-03-19 · cs.AR · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4H6DSOS5FLTKXEDQHS2GLYEDQ}

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	2026-07-05T04:50:15.269457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f0fe1c9d2e957355c8381e5a32f041c09f73e6cf897a9a333a34323c19f4dbf

Aliases

arxiv: 2203.10359 · arxiv_version: 2203.10359v3 · doi: 10.48550/arxiv.2203.10359 · pith_short_12: F4H6DSOS5FLT · pith_short_16: F4H6DSOS5FLTKXED · pith_short_8: F4H6DSOS

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/F4H6DSOS5FLTKXEDQHS2GLYEDQ \
  | 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: 2f0fe1c9d2e957355c8381e5a32f041c09f73e6cf897a9a333a34323c19f4dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e02ca94da0f012d2b0561d7be4bfb2f70f917c53c67791c3489ceb70a3e9a513",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2022-03-19T17:21:01Z",
    "title_canon_sha256": "d06d3e50c25e7cb76bd22b1f99269c8ec85c8e075fa7d0c29c7bf431e14caf01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.10359",
    "kind": "arxiv",
    "version": 3
  }
}