Pith Number

pith:PQ7YJUVZ

pith:2017:PQ7YJUVZ3RFKAN3RVCO54SNIFG

not attested not anchored not stored refs pending

A Logical Approach to Cloud Federation

Jeff Chase, Qiang Cao, Yuanjun Yao

arxiv:1708.03389 v1 · 2017-08-10 · cs.DC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ7YJUVZ3RFKAN3RVCO54SNIFG}

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	2026-05-18T00:38:13.235244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3f84d2b9dc4aa03771a89dde49a82981293317051987bd77d97dc4ee5269af

Aliases

arxiv: 1708.03389 · arxiv_version: 1708.03389v1 · doi: 10.48550/arxiv.1708.03389 · pith_short_12: PQ7YJUVZ3RFK · pith_short_16: PQ7YJUVZ3RFKAN3R · pith_short_8: PQ7YJUVZ

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/PQ7YJUVZ3RFKAN3RVCO54SNIFG \
  | 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: 7c3f84d2b9dc4aa03771a89dde49a82981293317051987bd77d97dc4ee5269af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8a80d947dfd1452dff78b6ca68dc792db4e02417fab8761e3952031e05d7069",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-08-10T21:17:18Z",
    "title_canon_sha256": "ce417eac7a6af7a3960c2417bda3a1f2cfaba4af2d3f42a09d12d1643849c658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03389",
    "kind": "arxiv",
    "version": 1
  }
}