Pith Number

pith:XAHHOU5Z

pith:2017:XAHHOU5ZY2MHQVJXGCG5BDZMTW

not attested not anchored not stored refs pending

Okapi: Causally Consistent Geo-Replication Made Faster, Cheaper and More Available

Diego Didona, Kristina Spirovska, Willy Zwaenepoel

arxiv:1702.04263 v1 · 2017-02-14 · 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{XAHHOU5ZY2MHQVJXGCG5BDZMTW}

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	2026-05-18T00:50:48.539715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80e7753b9c698785537308dd08f2c9d87f9d88168cadee3bb3816fe4963aa08

Aliases

arxiv: 1702.04263 · arxiv_version: 1702.04263v1 · doi: 10.48550/arxiv.1702.04263 · pith_short_12: XAHHOU5ZY2MH · pith_short_16: XAHHOU5ZY2MHQVJX · pith_short_8: XAHHOU5Z

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/XAHHOU5ZY2MHQVJXGCG5BDZMTW \
  | 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: b80e7753b9c698785537308dd08f2c9d87f9d88168cadee3bb3816fe4963aa08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2d7a0da9eef0efaacc82dcb5c45c736cfc97620e95fa97b01f921ceac589f38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-02-14T15:34:56Z",
    "title_canon_sha256": "bfeaa7f1b57d96860fb31f6e4d746a355a2bd73a2d3815201faed5c3faee0768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04263",
    "kind": "arxiv",
    "version": 1
  }
}