Pith Number

pith:3CROU5UA

pith:2020:3CROU5UAZWMG4CFT5FDBYHJHOY

not attested not anchored not stored refs pending

A FaaS File System for Serverless Computing

Johann Schleier-Smith, Joseph M. Hellerstein, Leonhard Holz, Nathan Pemberton

arxiv:2009.09845 v1 · 2020-09-16 · cs.DC · 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{3CROU5UAZWMG4CFT5FDBYHJHOY}

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.

Cited by

1 paper in Pith

SLFS: a Flexible, Low-Cost Distributed File System Using Serverless Designs

Receipt and verification

First computed	2026-07-05T01:36:53.614940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a2ea7680cd986e08b3e9461c1d27760c41877096b2bf0a28f34b9a2d3193bb

Aliases

arxiv: 2009.09845 · arxiv_version: 2009.09845v1 · doi: 10.48550/arxiv.2009.09845 · pith_short_12: 3CROU5UAZWMG · pith_short_16: 3CROU5UAZWMG4CFT · pith_short_8: 3CROU5UA

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/3CROU5UAZWMG4CFT5FDBYHJHOY \
  | 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: d8a2ea7680cd986e08b3e9461c1d27760c41877096b2bf0a28f34b9a2d3193bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8881532f5bcb1a170274b6ae51bb9acc5c119a25f9dccb700858c985a070ff9d",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-09-16T08:16:27Z",
    "title_canon_sha256": "c8d1c23013881f7c24f73a941ec5760771d191a5b81299729fb3208f93d4e810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09845",
    "kind": "arxiv",
    "version": 1
  }
}