Pith Number

pith:OAHZDHUD

pith:2019:OAHZDHUDWJ42PXAKKTNKUHTV2V

not attested not anchored not stored refs pending

Understanding and taming SSD read performance variability: HDFS case study

Florin Dinu, Mar\'ia F. Borge, Willy Zwaenepoel

arxiv:1903.09347 v1 · 2019-03-22 · cs.OS · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAHZDHUDWJ42PXAKKTNKUHTV2V}

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	2026-05-17T23:50:39.881283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

700f919e83b279a7dc0a54daaa1e75d57920b75b44e3fd1a1190b4518b6463bd

Aliases

arxiv: 1903.09347 · arxiv_version: 1903.09347v1 · doi: 10.48550/arxiv.1903.09347 · pith_short_12: OAHZDHUDWJ42 · pith_short_16: OAHZDHUDWJ42PXAK · pith_short_8: OAHZDHUD

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/OAHZDHUDWJ42PXAKKTNKUHTV2V \
  | 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: 700f919e83b279a7dc0a54daaa1e75d57920b75b44e3fd1a1190b4518b6463bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e095a3da3750a6a3f80137cab26c738217214853f3736f44caf6a026a63ffa5a",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2019-03-22T03:46:22Z",
    "title_canon_sha256": "3228cce00c2376ba274938c6b273d73752e63aec269debf0bb4a9b0cdcf8d25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09347",
    "kind": "arxiv",
    "version": 1
  }
}