Pith Number

pith:E562S2RG

pith:2012:E562S2RGO4DIG6V347BOW3MDTD

not attested not anchored not stored refs pending

Set It and Forget It: Approximating the Set Once Strip Cover Problem

Amotz Bar-Noy, Ben Baumer, Dror Rawitz

arxiv:1204.1082 v2 · 2012-04-04 · 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{E562S2RGO4DIG6V347BOW3MDTD}

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	2026-05-18T03:15:43.968613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

277da96a267706837abbe7c2eb6d8398ee5c2249aa0dbd27f9741344b379b1b6

Aliases

arxiv: 1204.1082 · arxiv_version: 1204.1082v2 · doi: 10.48550/arxiv.1204.1082 · pith_short_12: E562S2RGO4DI · pith_short_16: E562S2RGO4DIG6V3 · pith_short_8: E562S2RG

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/E562S2RGO4DIG6V347BOW3MDTD \
  | 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: 277da96a267706837abbe7c2eb6d8398ee5c2249aa0dbd27f9741344b379b1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c71015feead8a79e20cba1116055798b6d61327bbe14d99ed1a371e9f2f90511",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-04-04T21:31:00Z",
    "title_canon_sha256": "6db746213647dfdcb423ad9679d2a48f461061bbff379edcb81f7498b2ad0264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1082",
    "kind": "arxiv",
    "version": 2
  }
}