Pith Number

pith:5CQO2Q3S

pith:2012:5CQO2Q3SH7J5HKEUCBM5VDNRZL

not attested not anchored not stored refs pending

Complex-Demand Knapsack Problems and Incentives in AC Power Systems

Chi-Kin Chau, Lan Yu

arxiv:1205.2285 v2 · 2012-05-10 · 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{5CQO2Q3SH7J5HKEUCBM5VDNRZL}

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	2026-05-18T03:01:11.261471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8a0ed43723fd3d3a8941059da8db1cadfd8b52b90e07b830360f9d76f9869bd

Aliases

arxiv: 1205.2285 · arxiv_version: 1205.2285v2 · doi: 10.48550/arxiv.1205.2285 · pith_short_12: 5CQO2Q3SH7J5 · pith_short_16: 5CQO2Q3SH7J5HKEU · pith_short_8: 5CQO2Q3S

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/5CQO2Q3SH7J5HKEUCBM5VDNRZL \
  | 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: e8a0ed43723fd3d3a8941059da8db1cadfd8b52b90e07b830360f9d76f9869bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f112fbb69b680b7165d058cba7ae2c49d097a964fe93c2465fdea973d14270f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-05-10T14:59:58Z",
    "title_canon_sha256": "61ec475c939000acc97477c29b4213bf0782ede3ae82e203c6dd665f5e868d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2285",
    "kind": "arxiv",
    "version": 2
  }
}