Pith Number

pith:KJCLNYEL

pith:2018:KJCLNYELP4M5R7FSTX63XHY3UZ

not attested not anchored not stored refs pending

Multi-budgeted directed cuts

D\'aniel Marx, Magnus Wahlstr\"om, Marcin Pilipczuk, Shaohua Li, Stefan Kratsch

arxiv:1810.06848 v2 · 2018-10-16 · cs.DS

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	2026-05-17T23:41:17.776812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5244b6e08b7f19d8fcb29dfdbb9f1ba66d799312c2cae8eb954e54d5550b9604

Aliases

arxiv: 1810.06848 · arxiv_version: 1810.06848v2 · doi: 10.48550/arxiv.1810.06848 · pith_short_12: KJCLNYELP4M5 · pith_short_16: KJCLNYELP4M5R7FS · pith_short_8: KJCLNYEL

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/KJCLNYELP4M5R7FSTX63XHY3UZ \
  | 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: 5244b6e08b7f19d8fcb29dfdbb9f1ba66d799312c2cae8eb954e54d5550b9604

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf9f36dfe97443aab3b61cfc804857eb6f5eda4e6b932c45c3a1d6a1388c03a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-16T07:35:19Z",
    "title_canon_sha256": "848d3a47b7211cc74343ea2bb4bac099afbc3e1d9c32ab3c91faaae7130b0ad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06848",
    "kind": "arxiv",
    "version": 2
  }
}