Pith Number

pith:42MV75IX

pith:2015:42MV75IXGGKAO7ZSOTSFMMQK4W

not attested not anchored not stored refs pending

Natural Notation for the Domestic Internet of Things

Alan Blackwell, Charith Perera, Saeed Aghaee

arxiv:1503.01895 v1 · 2015-03-06 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42MV75IXGGKAO7ZSOTSFMMQK4W}

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	2026-05-18T02:25:27.327994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6995ff5173194077f3274e456320ae59f2b72530ef17dd5e7967be677657a25

Aliases

arxiv: 1503.01895 · arxiv_version: 1503.01895v1 · doi: 10.48550/arxiv.1503.01895 · pith_short_12: 42MV75IXGGKA · pith_short_16: 42MV75IXGGKAO7ZS · pith_short_8: 42MV75IX

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/42MV75IXGGKAO7ZSOTSFMMQK4W \
  | 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: e6995ff5173194077f3274e456320ae59f2b72530ef17dd5e7967be677657a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "defaf35e634e4e704add9217e7caf52ada0307818e87824e91be3d35980630a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2015-03-06T10:00:07Z",
    "title_canon_sha256": "6b602fc40101b0850bef498cccecece4e76d59447a499ed664dc226e03f9a70a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01895",
    "kind": "arxiv",
    "version": 1
  }
}