Pith Number

pith:Q44E5CE2

pith:2015:Q44E5CE2WKHQHCOTVOWDYNJBIL

not attested not anchored not stored refs pending

Traffic signal optimization: combining static and dynamic models

Ekkehard K\"ohler, Martin Strehler

arxiv:1509.08709 v1 · 2015-09-29 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q44E5CE2WKHQHCOTVOWDYNJBIL}

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	2026-05-18T01:31:47.291557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87384e889ab28f0389d3abac3c352142c433277cb813d363fc9c3af2bda9ce19

Aliases

arxiv: 1509.08709 · arxiv_version: 1509.08709v1 · doi: 10.48550/arxiv.1509.08709 · pith_short_12: Q44E5CE2WKHQ · pith_short_16: Q44E5CE2WKHQHCOT · pith_short_8: Q44E5CE2

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/Q44E5CE2WKHQHCOTVOWDYNJBIL \
  | 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: 87384e889ab28f0389d3abac3c352142c433277cb813d363fc9c3af2bda9ce19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68df2ef01568d404d5ec81112e359167d205cfa0603989fc67fab4f575020d0e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-09-29T12:12:24Z",
    "title_canon_sha256": "85df7f8576ebd751c79a0c40ec23eb9814f39684bbc49f67cbd1564c7cd1c9b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08709",
    "kind": "arxiv",
    "version": 1
  }
}