Pith Number

pith:EPDUHYAZ

pith:2015:EPDUHYAZXB5VXVFRCMSYVCMDIC

not attested not anchored not stored refs pending

A Semantic Theory of the Internet of Things

Massimo Merro, Ruggero Lanotte, Valentina Castiglioni

arxiv:1510.04854 v3 · 2015-10-16 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPDUHYAZXB5VXVFRCMSYVCMDIC}

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	2026-05-18T01:20:09.254733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c743e019b87b5bd4b113258a898340b91f9e14f60af0dd0c38c2f9e2df2e6c

Aliases

arxiv: 1510.04854 · arxiv_version: 1510.04854v3 · doi: 10.48550/arxiv.1510.04854 · pith_short_12: EPDUHYAZXB5V · pith_short_16: EPDUHYAZXB5VXVFR · pith_short_8: EPDUHYAZ

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/EPDUHYAZXB5VXVFRCMSYVCMDIC \
  | 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: 23c743e019b87b5bd4b113258a898340b91f9e14f60af0dd0c38c2f9e2df2e6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c87405aa86c222c3eda5196c757ccdda68bfe00f1fca3917a54f9496f3cc367a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-10-16T12:04:01Z",
    "title_canon_sha256": "db7ea2df2403990493afbb43e7a86250bd99fdca8f6ed38c6df157f2176a204a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04854",
    "kind": "arxiv",
    "version": 3
  }
}