Pith Number

pith:ZB2MVV52

pith:2017:ZB2MVV52TJ4XDKK7LAY4CHK3GY

not attested not anchored not stored refs pending

A fast algorithm for the gas station problem

Demetres Christofides, Kleitos Papadopoulos

arxiv:1706.00195 v1 · 2017-06-01 · math.CO · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZB2MVV52TJ4XDKK7LAY4CHK3GY}

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	2026-05-18T00:43:14.785815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c874cad7ba9a7971a95f5831c11d5b363df5fe534721b047e049c8d112cd959d

Aliases

arxiv: 1706.00195 · arxiv_version: 1706.00195v1 · doi: 10.48550/arxiv.1706.00195 · pith_short_12: ZB2MVV52TJ4X · pith_short_16: ZB2MVV52TJ4XDKK7 · pith_short_8: ZB2MVV52

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/ZB2MVV52TJ4XDKK7LAY4CHK3GY \
  | 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: c874cad7ba9a7971a95f5831c11d5b363df5fe534721b047e049c8d112cd959d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98fd601f6febea3f39e056e94163d457047561026cf511bb2cdb6eb3dc82996c",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-06-01T08:09:28Z",
    "title_canon_sha256": "4ddb3a3c3757705b34306696f3d1a17d5c9caca0b9f4a64219dde9e2a0423057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00195",
    "kind": "arxiv",
    "version": 1
  }
}