Pith Number

pith:PPS65GIO

pith:2021:PPS65GIOU2EJF2YR3JJH7OBNXY

not attested not anchored not stored refs pending

Towards an accountable Internet of Things: A call for reviewability

Chris Norval, Jatinder Singh, Jennifer Cobbe

arxiv:2102.08132 v2 · 2021-02-16 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPS65GIOU2EJF2YR3JJH7OBNXY}

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	2026-07-05T02:44:54.827068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be5ee990ea68892eb11da527fb82dbe1e6af4d02cbcd5d4ceb0f8f3407f66b2

Aliases

arxiv: 2102.08132 · arxiv_version: 2102.08132v2 · doi: 10.48550/arxiv.2102.08132 · pith_short_12: PPS65GIOU2EJ · pith_short_16: PPS65GIOU2EJF2YR · pith_short_8: PPS65GIO

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/PPS65GIOU2EJF2YR3JJH7OBNXY \
  | 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: 7be5ee990ea68892eb11da527fb82dbe1e6af4d02cbcd5d4ceb0f8f3407f66b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbe0e8822a0e74b208f96ee715fc4b903e8f9c8827a7ca21bc43fa6f5900f49c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-02-16T13:09:07Z",
    "title_canon_sha256": "fd34b095d87b8ac77c6c81c6141e7e189b7907dc6f6e5c611f280e187164284c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08132",
    "kind": "arxiv",
    "version": 2
  }
}