Pith Number

pith:LZ4Q6PPU

pith:2009:LZ4Q6PPUDOITUEZISV53KBJAC4

not attested not anchored not stored refs pending

Service-Oriented Architectures and Web Services: Course Tutorial and Lab Notes

Hammad Ali, Min Chen, Serguei A. Mokhov, Shahriar Rostami, Yuhong Yan

arxiv:0907.2974 v19 · 2009-07-17 · cs.DC · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZ4Q6PPUDOITUEZISV53KBJAC4}

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	2026-05-18T01:23:39.408100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e790f3df41b913a1328957bb50520171a0d23e083b763a941dc9a37ac544708

Aliases

arxiv: 0907.2974 · arxiv_version: 0907.2974v19 · doi: 10.48550/arxiv.0907.2974 · pith_short_12: LZ4Q6PPUDOIT · pith_short_16: LZ4Q6PPUDOITUEZI · pith_short_8: LZ4Q6PPU

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/LZ4Q6PPUDOITUEZISV53KBJAC4 \
  | 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: 5e790f3df41b913a1328957bb50520171a0d23e083b763a941dc9a37ac544708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518d32756a8b96f276a75302314bcefdd555fa1eea9ad05d3100b52deec30bb2",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2009-07-17T03:36:56Z",
    "title_canon_sha256": "be543b51b6e8912e2269723b7111175e3f08aac0ec72e29fb7c90ec304e49c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2974",
    "kind": "arxiv",
    "version": 19
  }
}