Pith Number

pith:ED2H4VRD

pith:2014:ED2H4VRDBPLTJVJI4KNVC22FHP

not attested not anchored not stored refs pending

The Multi-shop Ski Rental Problem

Jian Li, Lingqing Ai, Lingxiao Huang, Longbo Huang, Pingzhong Tang, Xian Wu

arxiv:1404.2671 v1 · 2014-04-10 · cs.GT

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

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	2026-05-18T02:54:29.832577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f47e56230bd734d528e29b516b453bd643402b1b30100e4f08855c3765a272

Aliases

arxiv: 1404.2671 · arxiv_version: 1404.2671v1 · doi: 10.48550/arxiv.1404.2671 · pith_short_12: ED2H4VRDBPLT · pith_short_16: ED2H4VRDBPLTJVJI · pith_short_8: ED2H4VRD

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/ED2H4VRDBPLTJVJI4KNVC22FHP \
  | 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: 20f47e56230bd734d528e29b516b453bd643402b1b30100e4f08855c3765a272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800e82d6d0e68db441e3d9d0e0ab27b345691803d7f45feaa652450c6d0a3656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2014-04-10T02:14:53Z",
    "title_canon_sha256": "853e1c80dcd3bc7aacd090c3c21bc3ea71d02cff1d202d7fd37bcf1f15cbb43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2671",
    "kind": "arxiv",
    "version": 1
  }
}