Pith Number

pith:Q4QW5VSE

pith:2014:Q4QW5VSEELXUQZGQO5YYVON4BM

not attested not anchored not stored refs pending

Experimental Evaluation of Algorithms for the Food-Selection Problem

Camil Demetrescu, Giuseppe F. Italiano, Irene Finocchi, Luigi Laura

arxiv:1401.7591 v1 · 2014-01-29 · 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{Q4QW5VSEELXUQZGQO5YYVON4BM}

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	2026-05-18T03:00:40.333804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87216ed64422ef4864d077718ab9bc0b1ac82ed801b247a86b94b815535a7622

Aliases

arxiv: 1401.7591 · arxiv_version: 1401.7591v1 · doi: 10.48550/arxiv.1401.7591 · pith_short_12: Q4QW5VSEELXU · pith_short_16: Q4QW5VSEELXUQZGQ · pith_short_8: Q4QW5VSE

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/Q4QW5VSEELXUQZGQO5YYVON4BM \
  | 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: 87216ed64422ef4864d077718ab9bc0b1ac82ed801b247a86b94b815535a7622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b87de76cdd42bb5210a1c5d354c3fdbe82d17972d05db33a7559ae64d71c653b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-01-29T17:09:12Z",
    "title_canon_sha256": "ac313aca0da7c826e7fe102b82fec240a21452b808e5e280e36a60062bc75533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7591",
    "kind": "arxiv",
    "version": 1
  }
}