Pith Number

pith:LTBHPWO6

pith:2019:LTBHPWO65PWKN7ISQF6M4YPNIL

not attested not anchored not stored refs pending

Multistage Knapsack

Alexandre Teiller, Bruno Escoffier, Evripidis Bampis

arxiv:1901.11260 v1 · 2019-01-31 · 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{LTBHPWO65PWKN7ISQF6M4YPNIL}

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	2026-05-17T23:55:02.339106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cc277d9deebeca6fd12817cce61ed42e81fa3173a8c1f922e26e1eb014a41f6

Aliases

arxiv: 1901.11260 · arxiv_version: 1901.11260v1 · doi: 10.48550/arxiv.1901.11260 · pith_short_12: LTBHPWO65PWK · pith_short_16: LTBHPWO65PWKN7IS · pith_short_8: LTBHPWO6

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/LTBHPWO65PWKN7ISQF6M4YPNIL \
  | 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: 5cc277d9deebeca6fd12817cce61ed42e81fa3173a8c1f922e26e1eb014a41f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368a6db13ffd39f94b779c0e4bb0ea5db6bd90187280c326862876d64d33ec9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-31T08:21:54Z",
    "title_canon_sha256": "f1dde21ed25f990dbb8d438a87d38484c8975e5f1cea196fff2c1f3e1aaa6119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11260",
    "kind": "arxiv",
    "version": 1
  }
}