Pith Number

pith:KUU2M5ZS

pith:2019:KUU2M5ZSBWDZGVD7ZIGLYSIFQM

not attested not anchored not stored refs pending

Programming Unikernels in the Large via Functor Driven Development

Anil Madhavapeddy, David Scott, Gabriel Radanne, Hannes Mehnert, Jeremy Yallop, Mindy Preston, Richard Mortier, Thomas Gazagnaire

arxiv:1905.02529 v1 · 2019-05-07 · cs.PL · 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{KUU2M5ZSBWDZGVD7ZIGLYSIFQM}

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	2026-05-17T23:46:51.175555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5529a677320d8793547fca0cbc49058321836e15c500a9cd8afb9094131eaf9b

Aliases

arxiv: 1905.02529 · arxiv_version: 1905.02529v1 · doi: 10.48550/arxiv.1905.02529 · pith_short_12: KUU2M5ZSBWDZ · pith_short_16: KUU2M5ZSBWDZGVD7 · pith_short_8: KUU2M5ZS

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/KUU2M5ZSBWDZGVD7ZIGLYSIFQM \
  | 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: 5529a677320d8793547fca0cbc49058321836e15c500a9cd8afb9094131eaf9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baaf7089cff03dbc123bef955e5435069eaefb6797906898ddad69d98df81991",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-05-07T13:09:32Z",
    "title_canon_sha256": "b5bc79498346f34ac43019e1b2e5b71fe07303138a674ed9f78ea207d846a19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02529",
    "kind": "arxiv",
    "version": 1
  }
}