Pith Number

pith:VXIUJ6XF

pith:2020:VXIUJ6XFB6X55ALPAIKFTEGIH5

not attested not anchored not stored refs pending

Towards a Distributed Quantum Computing Ecosystem

Angela Sara Cacciapuoti, Daniele Cuomo, Marcello Caleffi

arxiv:2002.11808 v2 · 2020-02-17 · quant-ph · 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{VXIUJ6XFB6X55ALPAIKFTEGIH5}

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	2026-07-05T01:23:35.262077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

add144fae50fafde816f02145990c83f47e937cf065f2032e3acc2d004b38e0e

Aliases

arxiv: 2002.11808 · arxiv_version: 2002.11808v2 · doi: 10.48550/arxiv.2002.11808 · pith_short_12: VXIUJ6XFB6X5 · pith_short_16: VXIUJ6XFB6X55ALP · pith_short_8: VXIUJ6XF

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/VXIUJ6XFB6X55ALPAIKFTEGIH5 \
  | 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: add144fae50fafde816f02145990c83f47e937cf065f2032e3acc2d004b38e0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94e300262ce4052cce00eb57af4a1d62b528d2945f2d0abc50fe70277c6d2057",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-17T17:39:41Z",
    "title_canon_sha256": "cc27b77f9ec7e139fca2ccabde9921b28e9f8b27408f98c9c5d6efb6c8b49bbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11808",
    "kind": "arxiv",
    "version": 2
  }
}