Pith Number

pith:LTZ4EIST

pith:2009:LTZ4EISTCVEGLR5TPQUEIFMBVB

not attested not anchored not stored refs pending

SPECI, a simulation tool exploring cloud-scale data centres

Ilango Sriram

arxiv:0910.4568 v1 · 2009-10-23 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LTZ4EISTCVEGLR5TPQUEIFMBVB}

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	2026-05-18T02:11:12.058536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf3c22253154865c7b37c28441581a8515fe062b136cdfd3a2a9f4498d3a7ce

Aliases

arxiv: 0910.4568 · arxiv_version: 0910.4568v1 · doi: 10.48550/arxiv.0910.4568 · pith_short_12: LTZ4EISTCVEG · pith_short_16: LTZ4EISTCVEGLR5T · pith_short_8: LTZ4EIST

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/LTZ4EISTCVEGLR5TPQUEIFMBVB \
  | 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: 5cf3c22253154865c7b37c28441581a8515fe062b136cdfd3a2a9f4498d3a7ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37302181d70c2dc84824b310a39722b76a5804bf80bec950b5e5669361d7ab38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2009-10-23T19:05:29Z",
    "title_canon_sha256": "fd9a40eedcec29f5ec1a139722a63492e8a6605fa82b9990bf11016e9f3ace8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4568",
    "kind": "arxiv",
    "version": 1
  }
}