Pith Number

pith:QBLGB7RE

pith:2019:QBLGB7REXO2CGUWRY2YXHNWAD7

not attested not anchored not stored refs pending

Secure IoT access at scale using blockchains and smart contracts

George C. Polyzos, Iakovos Pittaras, Nikos Fotiou, Spyros Voulgaris, Vasilios A. Siris

arxiv:1907.03904 v1 · 2019-07-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBLGB7REXO2CGUWRY2YXHNWAD7}

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	2026-05-17T23:41:06.458044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805660fe24bbb42352d1c6b173b6c01fe240d4c180ec972df36d53ff8bca04bd

Aliases

arxiv: 1907.03904 · arxiv_version: 1907.03904v1 · doi: 10.48550/arxiv.1907.03904 · pith_short_12: QBLGB7REXO2C · pith_short_16: QBLGB7REXO2CGUWR · pith_short_8: QBLGB7RE

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/QBLGB7REXO2CGUWRY2YXHNWAD7 \
  | 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: 805660fe24bbb42352d1c6b173b6c01fe240d4c180ec972df36d53ff8bca04bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b1baa8c9acea8997ca8dfe0baa4039c5650eda5f8297dc77341803118cc18e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-07-08T23:11:23Z",
    "title_canon_sha256": "b729fee199fc6db5eafd00044727f6e7edc902e317701b3ba7a85c1d7bdf77a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03904",
    "kind": "arxiv",
    "version": 1
  }
}