Pith Number

pith:QBS4CENM

pith:2018:QBS4CENMGT2QKWDWQXVYIWNOXJ

not attested not anchored not stored refs pending

Analogue-digital systems and the modular decomposition of physical behaviour

E.J. Beggs, J.V. Tucker

arxiv:1804.05539 v1 · 2018-04-16 · cs.SY · cs.LO · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBS4CENMGT2QKWDWQXVYIWNOXJ}

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	2026-05-18T00:18:27.914209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8065c111ac34f505587685eb8459aeba5aead45c2170ea9bccf83bc056672a7d

Aliases

arxiv: 1804.05539 · arxiv_version: 1804.05539v1 · doi: 10.48550/arxiv.1804.05539 · pith_short_12: QBS4CENMGT2Q · pith_short_16: QBS4CENMGT2QKWDW · pith_short_8: QBS4CENM

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/QBS4CENMGT2QKWDWQXVYIWNOXJ \
  | 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: 8065c111ac34f505587685eb8459aeba5aead45c2170ea9bccf83bc056672a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406a34581dffb3aa6fc26e4e24e95d2293fee8e76094da5fb83198a707ebc38d",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-04-16T08:10:46Z",
    "title_canon_sha256": "de9801b490d43ead1f54212c3ffb9d0c320e8bc148788ad0edc2f8cba5d8c9c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05539",
    "kind": "arxiv",
    "version": 1
  }
}