Pith Number

pith:F3EUET6F

pith:2013:F3EUET6FCRSU6V2SYAJUFWQGUK

not attested not anchored not stored refs pending

Early Observations on Performance of Google Compute Engine for Scientific Computing

Liam O'Brien, Miranda Zhang, Rajiv Ranjan, Zheng Li

arxiv:1312.6488 v1 · 2013-12-23 · cs.DC · cs.MS · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3EUET6FCRSU6V2SYAJUFWQGUK}

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	2026-05-18T03:03:56.378076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ec9424fc514654f5752c01342da06a2a4ea5ed35a8262c1fe7fb356c67ee609

Aliases

arxiv: 1312.6488 · arxiv_version: 1312.6488v1 · doi: 10.48550/arxiv.1312.6488 · pith_short_12: F3EUET6FCRSU · pith_short_16: F3EUET6FCRSU6V2S · pith_short_8: F3EUET6F

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/F3EUET6FCRSU6V2SYAJUFWQGUK \
  | 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: 2ec9424fc514654f5752c01342da06a2a4ea5ed35a8262c1fe7fb356c67ee609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f5cfcaf3f0814e3dcecdbe3656a26aa1c92da6cc0a9d44f532391e5184239a4",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-12-23T09:12:09Z",
    "title_canon_sha256": "f092fbdcc4ae9cf14adc16b165db7d5b1bde0476842cfa8e5ca51173f204bba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6488",
    "kind": "arxiv",
    "version": 1
  }
}