Pith Number

pith:NZLBFYTB

pith:2019:NZLBFYTBNWQMO7F2B3ORJ3QDV2

not attested not anchored not stored refs pending

XOS: An Application-Defined Operating System for Data Center Servers

Chen Zheng, Hainan Ye, Jianfeng Zhan, Lei Wang, Lixin Zhang, Sally A. Mckee

arxiv:1901.00825 v1 · 2019-01-03 · 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{NZLBFYTBNWQMO7F2B3ORJ3QDV2}

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	2026-05-17T23:57:01.147245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e5612e2616da0c77cba0edd14ee03aeb812822fd960f36f48635761714a1b62

Aliases

arxiv: 1901.00825 · arxiv_version: 1901.00825v1 · doi: 10.48550/arxiv.1901.00825 · pith_short_12: NZLBFYTBNWQM · pith_short_16: NZLBFYTBNWQMO7F2 · pith_short_8: NZLBFYTB

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/NZLBFYTBNWQMO7F2B3ORJ3QDV2 \
  | 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: 6e5612e2616da0c77cba0edd14ee03aeb812822fd960f36f48635761714a1b62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785bb44899a188de7008bba86eb903359a6090c6b70d2b536c734ac26858b16f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2019-01-03T17:27:14Z",
    "title_canon_sha256": "be2314be7d908ad2295ba48c493a30375ae32f75848db18017f868c84f551e45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00825",
    "kind": "arxiv",
    "version": 1
  }
}