Pith Number

pith:ZVLKFUVP

pith:2015:ZVLKFUVPXU3QQA2SIT4VYM5KU2

not attested not anchored not stored refs pending

(Literally) above the clouds: virtualizing the network over multiple clouds

Fernando M. V. Ramos, Max Alaluna, Nuno Neves

arxiv:1512.01196 v2 · 2015-12-03 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZVLKFUVPXU3QQA2SIT4VYM5KU2}

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	2026-05-18T01:19:18.319907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd56a2d2afbd3708035244f95c33aaa69c4b393138277e27ab4f80f37bde9500

Aliases

arxiv: 1512.01196 · arxiv_version: 1512.01196v2 · doi: 10.48550/arxiv.1512.01196 · pith_short_12: ZVLKFUVPXU3Q · pith_short_16: ZVLKFUVPXU3QQA2S · pith_short_8: ZVLKFUVP

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/ZVLKFUVPXU3QQA2SIT4VYM5KU2 \
  | 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: cd56a2d2afbd3708035244f95c33aaa69c4b393138277e27ab4f80f37bde9500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea7ff013c0f796bcf7ee70b422bca1f87064111e4ed1713074bdb290a0ff621",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-12-03T19:12:15Z",
    "title_canon_sha256": "9a8476b19489e2b2a736b989ca64d0fe164d2b6133ef139c43fee62bacf4bbc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01196",
    "kind": "arxiv",
    "version": 2
  }
}