Pith Number

pith:ZYDDTN2X

pith:2017:ZYDDTN2X3UMD62Y4T3AICSPTPF

not attested not anchored not stored refs pending

A Tight Approximation for Co-flow Scheduling for Minimizing Total Weighted Completion Time

Manish Purohit, Sungjin Im

arxiv:1707.04331 v2 · 2017-07-13 · 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{ZYDDTN2X3UMD62Y4T3AICSPTPF}

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	2026-05-17T23:59:27.975951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce0639b757dd183f6b1c9ec08149f379543688f95b7d54df984702f905658959

Aliases

arxiv: 1707.04331 · arxiv_version: 1707.04331v2 · doi: 10.48550/arxiv.1707.04331 · pith_short_12: ZYDDTN2X3UMD · pith_short_16: ZYDDTN2X3UMD62Y4 · pith_short_8: ZYDDTN2X

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/ZYDDTN2X3UMD62Y4T3AICSPTPF \
  | 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: ce0639b757dd183f6b1c9ec08149f379543688f95b7d54df984702f905658959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f667e92982d0beafd4e293e642039e57a016566143cd007695dd8d4e1c0088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-13T21:28:44Z",
    "title_canon_sha256": "3f4bf603149f6fe5c1c22ad12362a894f0450237d1a413a9dacf39d0b7a7e0b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04331",
    "kind": "arxiv",
    "version": 2
  }
}