Pith Number

pith:MVVZGQ5G

pith:2018:MVVZGQ5GXZ3AXDYPIK7AHE7D7H

not attested not anchored not stored refs pending

Circuits, Bond Graphs, and Signal-Flow Diagrams: A Categorical Perspective

Brandon Coya

arxiv:1805.08290 v1 · 2018-05-21 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVVZGQ5GXZ3AXDYPIK7AHE7D7H}

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	2026-05-18T00:15:27.013855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

656b9343a6be760b8f0f42be0393e3f9c3b7a79b400da36316928b90a3e19f06

Aliases

arxiv: 1805.08290 · arxiv_version: 1805.08290v1 · doi: 10.48550/arxiv.1805.08290 · pith_short_12: MVVZGQ5GXZ3A · pith_short_16: MVVZGQ5GXZ3AXDYP · pith_short_8: MVVZGQ5G

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/MVVZGQ5GXZ3AXDYPIK7AHE7D7H \
  | 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: 656b9343a6be760b8f0f42be0393e3f9c3b7a79b400da36316928b90a3e19f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b15c81754554fc33a17f8e7adcdaf9f006587c0fb5a3be828f72dd00272438a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-05-21T21:11:01Z",
    "title_canon_sha256": "a16a4b05fb88816ae6953c6cc12e51a541abfe190bde2931f5a2f45f8c4c620d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08290",
    "kind": "arxiv",
    "version": 1
  }
}