Pith Number

pith:BUJLJ4FE

pith:2017:BUJLJ4FE4N6SZ5Q6F3IE7WEBO3

not attested not anchored not stored refs pending

Quasi-PTAS for Scheduling with Precedences using LP Hierarchies

Shashwat Garg

arxiv:1708.04369 v1 · 2017-08-15 · 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{BUJLJ4FE4N6SZ5Q6F3IE7WEBO3}

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	2026-05-18T00:37:59.521959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d12b4f0a4e37d2cf61e2ed04fd88176e6e84d55ede5130515c62764caaefb9a

Aliases

arxiv: 1708.04369 · arxiv_version: 1708.04369v1 · doi: 10.48550/arxiv.1708.04369 · pith_short_12: BUJLJ4FE4N6S · pith_short_16: BUJLJ4FE4N6SZ5Q6 · pith_short_8: BUJLJ4FE

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/BUJLJ4FE4N6SZ5Q6F3IE7WEBO3 \
  | 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: 0d12b4f0a4e37d2cf61e2ed04fd88176e6e84d55ede5130515c62764caaefb9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490c4de741f90e9a811bbd144f4b740a690759b6e8ed0436e412fa87721436fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-15T00:52:30Z",
    "title_canon_sha256": "221d93ff2302155eef5f2d5a3d64d4475c2f42c26c7c38c333c02d7ab39e4073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04369",
    "kind": "arxiv",
    "version": 1
  }
}