Pith Number

pith:BWPXNXE2

pith:2018:BWPXNXE2BAKCR6FUU2BW4WB75Z

not attested not anchored not stored refs pending

Conjectures about Traffic Light Queues

Guy Louchard, Steven Finch

arxiv:1810.03906 v2 · 2018-10-09 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWPXNXE2BAKCR6FUU2BW4WB75Z}

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	2026-05-18T00:01:52.775623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9f76dc9a081428f8b4a6836e583fee74777b1e665dbf5b29afe79617411796

Aliases

arxiv: 1810.03906 · arxiv_version: 1810.03906v2 · doi: 10.48550/arxiv.1810.03906 · pith_short_12: BWPXNXE2BAKC · pith_short_16: BWPXNXE2BAKCR6FU · pith_short_8: BWPXNXE2

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/BWPXNXE2BAKCR6FUU2BW4WB75Z \
  | 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: 0d9f76dc9a081428f8b4a6836e583fee74777b1e665dbf5b29afe79617411796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1a26da1b71d18f4ed7e3d2d4825458385b8a3002ef1fae18149020dd0a2446e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-10-09T10:59:01Z",
    "title_canon_sha256": "144f773b70821ef974788c5900459a5175b428fcb6ae37c47a6538d54d342477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03906",
    "kind": "arxiv",
    "version": 2
  }
}