Pith Number

pith:SAG6MQRE

pith:2021:SAG6MQRELOPFWUDIKRL7LDWI4N

not attested not anchored not stored refs pending

On the Design of Complex EM Devices and Systems through the System-by-Design Paradigm -- A Framework for Dealing with the Computational Complexity

Andrea Massa, Marco Salucci

arxiv:2107.09521 v1 · 2021-07-16 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAG6MQRELOPFWUDIKRL7LDWI4N}

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	2026-07-05T03:57:09.727595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

900de642245b9e5b50685457f58ec8e34629551272f0a78f9031d733e586bc6e

Aliases

arxiv: 2107.09521 · arxiv_version: 2107.09521v1 · doi: 10.48550/arxiv.2107.09521 · pith_short_12: SAG6MQRELOPF · pith_short_16: SAG6MQRELOPFWUDI · pith_short_8: SAG6MQRE

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/SAG6MQRELOPFWUDIKRL7LDWI4N \
  | 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: 900de642245b9e5b50685457f58ec8e34629551272f0a78f9031d733e586bc6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78fe52ff3d22c0359c929a281578fbb0626ff90c522d59df30f29bdff91214e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-07-16T17:02:06Z",
    "title_canon_sha256": "db23fbbefe962ff96603d0e1acc47c9b15fbbee2f8d9c4d61d30bf492c69b5ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09521",
    "kind": "arxiv",
    "version": 1
  }
}