Pith Number

pith:EQOFQSA7

pith:2019:EQOFQSA7JXXLL7HABM7CXQP7YG

not attested not anchored not stored refs pending

Transfer-Expanded Graphs for On-Demand Multimodal Transit Systems

Kevin Dalmeijer, Pascal Van Hentenryck

arxiv:1912.02308 v1 · 2019-12-04 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQOFQSA7JXXLL7HABM7CXQP7YG}

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	2026-07-05T04:26:44.080713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241c58481f4deeb5fce00b3e2bc1ffc1a02151c1f48fc08d0d7c168434fcf3c6

Aliases

arxiv: 1912.02308 · arxiv_version: 1912.02308v1 · doi: 10.48550/arxiv.1912.02308 · pith_short_12: EQOFQSA7JXXL · pith_short_16: EQOFQSA7JXXLL7HA · pith_short_8: EQOFQSA7

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/EQOFQSA7JXXLL7HABM7CXQP7YG \
  | 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: 241c58481f4deeb5fce00b3e2bc1ffc1a02151c1f48fc08d0d7c168434fcf3c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba99df51399a7ef583a335da7e02127be1a206fc1ae3f0a27d726e7aca3da3e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-12-04T23:43:07Z",
    "title_canon_sha256": "a625d204ccbe5ece329415003c89a7cd231f6fd9fa4daf4aa2d1cae2eaf7ccef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02308",
    "kind": "arxiv",
    "version": 1
  }
}