Pith Number

pith:DBD5D37O

pith:2021:DBD5D37OXWVGFUA3XSNYTWG3NK

not attested not anchored not stored refs pending

How to split the costs among travellers sharing a ride? Aligning system's optimum with users' equilibrium

Andres Fielbaum, Javier Alonso-Mora, Oded Cats, Rafal Kucharski

arxiv:2105.02669 v1 · 2021-05-06 · cs.GT · 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{DBD5D37OXWVGFUA3XSNYTWG3NK}

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	2026-07-05T02:38:03.521485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1847d1efeebdaa62d01bbc9b89d8db6aa5dff5bfa04fe211711ee47a350cf23a

Aliases

arxiv: 2105.02669 · arxiv_version: 2105.02669v1 · doi: 10.48550/arxiv.2105.02669 · pith_short_12: DBD5D37OXWVG · pith_short_16: DBD5D37OXWVGFUA3 · pith_short_8: DBD5D37O

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/DBD5D37OXWVGFUA3XSNYTWG3NK \
  | 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: 1847d1efeebdaa62d01bbc9b89d8db6aa5dff5bfa04fe211711ee47a350cf23a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "361f976d416dde139f5b628e98044c23767898ba0efba26f664da78640b8f68d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2021-05-06T13:48:37Z",
    "title_canon_sha256": "0d6469a3b18d5429d30dfe9ae7b122533255505dbcaa90ec9f51cf70d4dc1a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02669",
    "kind": "arxiv",
    "version": 1
  }
}