Pith Number

pith:CURAK4DP

pith:2009:CURAK4DPYGBPWRDU2SGLNPJZL4

not attested not anchored not stored refs pending

Community Cloud Computing

Alexandros Marinos, Gerard Briscoe

arxiv:0907.2485 v3 · 2009-07-15 · cs.NI · 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{CURAK4DPYGBPWRDU2SGLNPJZL4}

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	2026-05-18T02:13:03.014144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152205706fc182fb4474d48cb6bd395f36b5f25f5c43a971e60d8a2f97662909

Aliases

arxiv: 0907.2485 · arxiv_version: 0907.2485v3 · doi: 10.48550/arxiv.0907.2485 · pith_short_12: CURAK4DPYGBP · pith_short_16: CURAK4DPYGBPWRDU · pith_short_8: CURAK4DP

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/CURAK4DPYGBPWRDU2SGLNPJZL4 \
  | 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: 152205706fc182fb4474d48cb6bd395f36b5f25f5c43a971e60d8a2f97662909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55aceb32ade7f173addf3556e4825262b2409a11ddcd0240b3c50e3c27896046",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2009-07-15T04:26:32Z",
    "title_canon_sha256": "4162fb37d8dcda76b89e7b3841aee87acfb3dbbd1bb4d3bcf6a5f760e6524b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2485",
    "kind": "arxiv",
    "version": 3
  }
}