Pith Number

pith:UWPMW7T2

pith:2022:UWPMW7T2ZF4SU2G456STEEBFVF

not attested not anchored not stored refs pending

PackCache: An Online Cost-driven Data Caching Algorithm in the Cloud

Chengzhong Xu, Dong Huang, Hao Dai, Jiashu Wu, Yang Wang, Yong Zhang

arxiv:2207.09035 v2 · 2022-07-19 · cs.DS · cs.DC · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWPMW7T2ZF4SU2G456STEEBFVF}

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	2026-07-05T04:46:15.410821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a59ecb7e7ac9792a68dcefa5321025a96c35c7292011bce96dc1c8c2cc60a271

Aliases

arxiv: 2207.09035 · arxiv_version: 2207.09035v2 · doi: 10.48550/arxiv.2207.09035 · pith_short_12: UWPMW7T2ZF4S · pith_short_16: UWPMW7T2ZF4SU2G4 · pith_short_8: UWPMW7T2

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/UWPMW7T2ZF4SU2G456STEEBFVF \
  | 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: a59ecb7e7ac9792a68dcefa5321025a96c35c7292011bce96dc1c8c2cc60a271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e88cf31daffb2ae487587da0e9d300d35882099458fe31f706a509b488b9482b",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-07-19T02:59:32Z",
    "title_canon_sha256": "224ac63363980703e96aad583cebff8e39659b840e0e699cc8ff9f9c5dec4948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.09035",
    "kind": "arxiv",
    "version": 2
  }
}