Pith Number

pith:CKHONY5W

pith:2019:CKHONY5W66FKP5QBGQYRTDK3LJ

not attested not anchored not stored refs pending

Finding Robust Periodic Timetables by Integrating Delay Management

Julius P\"atzold

arxiv:1907.04554 v1 · 2019-07-10 · 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{CKHONY5W66FKP5QBGQYRTDK3LJ}

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	2026-05-17T23:40:59.909261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

128ee6e3b6f78aa7f6013431198d5b5a55b5455f3cb95416f03a4d6c1869382f

Aliases

arxiv: 1907.04554 · arxiv_version: 1907.04554v1 · doi: 10.48550/arxiv.1907.04554 · pith_short_12: CKHONY5W66FK · pith_short_16: CKHONY5W66FKP5QB · pith_short_8: CKHONY5W

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/CKHONY5W66FKP5QBGQYRTDK3LJ \
  | 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: 128ee6e3b6f78aa7f6013431198d5b5a55b5455f3cb95416f03a4d6c1869382f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9896455fe2a4966f89c7c097257a26236927da7fc2f70c2580ae20484db8eeef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-07-10T07:54:01Z",
    "title_canon_sha256": "d7b9e21eb92e544ed21fe08ad618015e06fa2c2bf7f3ac3cc7f5267aadc56099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04554",
    "kind": "arxiv",
    "version": 1
  }
}