Pith Number

pith:7V4P2NYU

pith:2008:7V4P2NYUDJJYWSCEKV7WULP7SQ

not attested not anchored not stored refs pending

Cloud Computing and Grid Computing 360-Degree Compared

Ian Foster, Ioan Raicu, Shiyong Lu, Yong Zhao

arxiv:0901.0131 v1 · 2008-12-31 · 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{7V4P2NYUDJJYWSCEKV7WULP7SQ}

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	2026-05-18T00:59:11.548474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd78fd37141a538b4844557f6a2dff943914c4d688e0b15f727088572a4856fb

Aliases

arxiv: 0901.0131 · arxiv_version: 0901.0131v1 · doi: 10.48550/arxiv.0901.0131 · pith_short_12: 7V4P2NYUDJJY · pith_short_16: 7V4P2NYUDJJYWSCE · pith_short_8: 7V4P2NYU

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/7V4P2NYUDJJYWSCEKV7WULP7SQ \
  | 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: fd78fd37141a538b4844557f6a2dff943914c4d688e0b15f727088572a4856fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0463ee864aee30c3ffda157b37fcbbd06545f9742f44b46ce6c3121cf35eb670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2008-12-31T19:13:05Z",
    "title_canon_sha256": "2b3fe69387d90615c2048e1860b2ac668eb115699584700379593a50c7ddcc64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0131",
    "kind": "arxiv",
    "version": 1
  }
}