Pith Number

pith:7B2EBGZW

pith:2018:7B2EBGZWZO6E5TDOY65C2ZQJQU

not attested not anchored not stored refs pending

vLibOS: Babysitting OS Evolution with a Virtualized Library OS

Richard West, Soham Sinha, Ying Ye, Zhuoqun Cheng

arxiv:1801.07880 v1 · 2018-01-24 · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B2EBGZWZO6E5TDOY65C2ZQJQU}

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	2026-05-18T00:25:10.581687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f874409b36cbbc4ecc6ec7ba2d6609851c8fa7984b0e0757260fcc646f4f7682

Aliases

arxiv: 1801.07880 · arxiv_version: 1801.07880v1 · doi: 10.48550/arxiv.1801.07880 · pith_short_12: 7B2EBGZWZO6E · pith_short_16: 7B2EBGZWZO6E5TDO · pith_short_8: 7B2EBGZW

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/7B2EBGZWZO6E5TDOY65C2ZQJQU \
  | 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: f874409b36cbbc4ecc6ec7ba2d6609851c8fa7984b0e0757260fcc646f4f7682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb9ac34cf101da61c803d81b3f5be562f17ff8b2e50696b4dfb6382991a5066",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2018-01-24T07:11:22Z",
    "title_canon_sha256": "fa677cb9a41615b9a7262245093acbc803e530eca762a7957ead9c655b1431c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07880",
    "kind": "arxiv",
    "version": 1
  }
}