Pith Number

pith:HA5F2WRD

pith:2018:HA5F2WRDGRV6XBRUUGF2Q7IB2C

not attested not anchored not stored refs pending

Cyber Physical Systems: Prospects and Challenges

Walid Gomaa

arxiv:1802.05233 v1 · 2018-02-14 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HA5F2WRDGRV6XBRUUGF2Q7IB2C}

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	2026-05-18T00:23:19.946088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383a5d5a23346beb8634a18ba87d01d098e983d66b046b52b144a7be148e4e2b

Aliases

arxiv: 1802.05233 · arxiv_version: 1802.05233v1 · doi: 10.48550/arxiv.1802.05233 · pith_short_12: HA5F2WRDGRV6 · pith_short_16: HA5F2WRDGRV6XBRU · pith_short_8: HA5F2WRD

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/HA5F2WRDGRV6XBRUUGF2Q7IB2C \
  | 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: 383a5d5a23346beb8634a18ba87d01d098e983d66b046b52b144a7be148e4e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8cff9cb721c925defb6e3c9a900ee9877f47ee7ba9e9094a63d6cd3b02048ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-02-14T17:42:09Z",
    "title_canon_sha256": "27195b9861c9c2cea8c3467170ebad72d0f9bfd60de2bdb0a8126c5d72424317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05233",
    "kind": "arxiv",
    "version": 1
  }
}