Pith Number

pith:BDRMNZ34

pith:2012:BDRMNZ34RLVWT4C5DAZEX5KJRM

not attested not anchored not stored refs pending

Optimizing I/O for Big Array Analytics

Jun Yang, Yi Zhang

arxiv:1204.6081 v1 · 2012-04-26 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDRMNZ34RLVWT4C5DAZEX5KJRM}

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	2026-05-18T03:56:47.094684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e2c6e77c8aeb69f05d18324bf5498b28488d50373cd500d368a9dc684a59d2

Aliases

arxiv: 1204.6081 · arxiv_version: 1204.6081v1 · doi: 10.48550/arxiv.1204.6081 · pith_short_12: BDRMNZ34RLVW · pith_short_16: BDRMNZ34RLVWT4C5 · pith_short_8: BDRMNZ34

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/BDRMNZ34RLVWT4C5DAZEX5KJRM \
  | 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: 08e2c6e77c8aeb69f05d18324bf5498b28488d50373cd500d368a9dc684a59d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a461de1f6e8956b8cdd072449038647067c03d094ff5fba3538c4c2135d20726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-04-26T23:25:50Z",
    "title_canon_sha256": "ef634464293c7d39d07f67890112cccf9d596b690fa5eff14773a20e9db4f7e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6081",
    "kind": "arxiv",
    "version": 1
  }
}