Pith Number

pith:CPZ7OVBA

pith:2025:CPZ7OVBANXT3PN6BVT6XWQSFUL

not attested not anchored not stored refs pending

SkyStore: Cost-Optimized Object Storage Across Regions and Clouds

Audrey Cheng, Danny Harnik, Gil Vernik, Guy Girmonsky, Henric Zhang, Ion Stoica, Joseph E. Gonzalez, Michael Factor, Moshik Hershcovitch, Natacha Crooks, Shu Liu, Soujanya Ponnapalli, Tiemo Bang, Xiangxi Mo

arxiv:2502.20818 v1 · 2025-02-28 · 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{CPZ7OVBANXT3PN6BVT6XWQSFUL}

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	2026-07-05T10:21:40.318764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f3f754206de7b7b7c1acfd7b4245a2f6f49696d8302e25be1296f36b0da1ef

Aliases

arxiv: 2502.20818 · arxiv_version: 2502.20818v1 · doi: 10.48550/arxiv.2502.20818 · pith_short_12: CPZ7OVBANXT3 · pith_short_16: CPZ7OVBANXT3PN6B · pith_short_8: CPZ7OVBA

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/CPZ7OVBANXT3PN6BVT6XWQSFUL \
  | 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: 13f3f754206de7b7b7c1acfd7b4245a2f6f49696d8302e25be1296f36b0da1ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907a16c3ddfd0ac8c70ba0c62cd6f1568b994a160b296ac259be2b77cb73a863",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-02-28T08:05:18Z",
    "title_canon_sha256": "47afc353eb32dde5730753e1bc68ddb5b93772b9fb0f80049b29a3fa9a88dbe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20818",
    "kind": "arxiv",
    "version": 1
  }
}