Pith Number

pith:7Z7A2UQM

pith:2018:7Z7A2UQMGU2O46ACYFAN3LDPEB

not attested not anchored not stored refs pending

Addressing the Free-Rider Problem in Public Transport Systems

Abhijit Mahalunkar, Beno\^it Garbinato, Bertil Chapuis, Vaibhav Kulkarni

arxiv:1803.04389 v1 · 2018-03-12 · cs.CY · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Z7A2UQMGU2O46ACYFAN3LDPEB}

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	2026-05-18T00:21:29.812613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7e0d520c3534ee7802c140ddac6f20503c16780c7a6a5df83677ebf40e6b4e

Aliases

arxiv: 1803.04389 · arxiv_version: 1803.04389v1 · doi: 10.48550/arxiv.1803.04389 · pith_short_12: 7Z7A2UQMGU2O · pith_short_16: 7Z7A2UQMGU2O46AC · pith_short_8: 7Z7A2UQM

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/7Z7A2UQMGU2O46ACYFAN3LDPEB \
  | 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: fe7e0d520c3534ee7802c140ddac6f20503c16780c7a6a5df83677ebf40e6b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48fdb2f23100b972ea4530eac9d6cc07246c8bc572e75c456bfa813802371631",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-03-12T17:31:47Z",
    "title_canon_sha256": "23420d0a16f8527aadf0ea0653093405217ad195429085a14a4699dc59465bb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04389",
    "kind": "arxiv",
    "version": 1
  }
}