Pith Number

pith:DPFJUFOJ

pith:2013:DPFJUFOJUX2H2NSVJESN5CTUSQ

not attested not anchored not stored refs pending

Approximating the optimal competitive ratio for an ancient online scheduling problem

Deshi Ye, Guochuan Zhang, Lin Chen

arxiv:1302.3946 v1 · 2013-02-16 · 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{DPFJUFOJUX2H2NSVJESN5CTUSQ}

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	2026-05-18T03:33:24.826883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bca9a15c9a5f47d36554924de8a74940ac9e2f59b65c9ba6d87fe240ca28a94

Aliases

arxiv: 1302.3946 · arxiv_version: 1302.3946v1 · doi: 10.48550/arxiv.1302.3946 · pith_short_12: DPFJUFOJUX2H · pith_short_16: DPFJUFOJUX2H2NSV · pith_short_8: DPFJUFOJ

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/DPFJUFOJUX2H2NSVJESN5CTUSQ \
  | 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: 1bca9a15c9a5f47d36554924de8a74940ac9e2f59b65c9ba6d87fe240ca28a94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7cd297aa0d447c0b3f9a72e61a8f3a1712dee188e413f4ea4fc9e422ce2d58b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-02-16T08:32:11Z",
    "title_canon_sha256": "7b3f55f81b3fde922a1c28fc27886147c534bcbfd0966581aecc244288242cd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3946",
    "kind": "arxiv",
    "version": 1
  }
}