Pith Number

pith:M2QTOX3G

pith:2018:M2QTOX3G7KHOULOSIFNXPPFP5O

not attested not anchored not stored refs pending

Personal Virtual Traffic Light Systems

Bruno Fernandes, Jo\~ao Almeida, Jo\~ao Rufino, Joaquim Ferreira, Jos\'e Fonseca, Lu\'is Silva, Vanessa Martins

arxiv:1809.07829 v1 · 2018-09-20 · 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{M2QTOX3G7KHOULOSIFNXPPFP5O}

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	2026-05-18T00:05:11.213777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a1375f66fa8eea2dd2415b77bcafeb8292011e9d498c9149e138ecf7f4f9f6

Aliases

arxiv: 1809.07829 · arxiv_version: 1809.07829v1 · doi: 10.48550/arxiv.1809.07829 · pith_short_12: M2QTOX3G7KHO · pith_short_16: M2QTOX3G7KHOULOS · pith_short_8: M2QTOX3G

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/M2QTOX3G7KHOULOSIFNXPPFP5O \
  | 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: 66a1375f66fa8eea2dd2415b77bcafeb8292011e9d498c9149e138ecf7f4f9f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1fd07f52b2d1bc94bac3f0ea36ca494d38137aa663fb884205bb1cf4a05692",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-09-20T19:55:48Z",
    "title_canon_sha256": "b355938e1cf9e4164a497c959d4a5e21bbc7d03c707a6fc6693b1e9e1de4533b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07829",
    "kind": "arxiv",
    "version": 1
  }
}