Pith Number

pith:QECRWLP6

pith:2020:QECRWLP6OFJIXSPND4GGEKBWEW

not attested not anchored not stored refs pending

A Standard-based Open Source IoT Platform: FIWARE

Bin Cheng, Ernoe Kovacs, Everton Lu\'is Berz, Flavio Cirillo, G\"urkan Solmaz, Martin Bauer

arxiv:2005.02788 v1 · 2020-05-06 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QECRWLP6OFJIXSPND4GGEKBWEW}

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	2026-07-05T01:00:56.049387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81051b2dfe71528bc9ed1f0c62283625904972b5816162735575b226fbc0b747

Aliases

arxiv: 2005.02788 · arxiv_version: 2005.02788v1 · doi: 10.48550/arxiv.2005.02788 · pith_short_12: QECRWLP6OFJI · pith_short_16: QECRWLP6OFJIXSPN · pith_short_8: QECRWLP6

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/QECRWLP6OFJIXSPND4GGEKBWEW \
  | 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: 81051b2dfe71528bc9ed1f0c62283625904972b5816162735575b226fbc0b747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c99a999d312aa6d5c622333aea968a84e0440f2b2a0bc84a8d07f18846a0fd22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2020-05-06T13:02:40Z",
    "title_canon_sha256": "5d5b90e607f3f4426e3b6564eb0eff1313a920c2c4fa10ced5336faf61f7f5d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02788",
    "kind": "arxiv",
    "version": 1
  }
}