Pith Number

pith:2WBOA2A4

pith:2018:2WBOA2A4E24FSO5NRR7EEZIMAH

not attested not anchored not stored refs pending

Quantumness of quantum channels

Fereshte Shahbeigi, Seyed Javad Akhtarshenas

arxiv:1808.00754 v2 · 2018-08-02 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WBOA2A4E24FSO5NRR7EEZIMAH}

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	2026-05-18T00:02:59.558056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d582e0681c26b8593bad8c7e42650c01e8a8994ab4a52c9b6775be7b8ba5405d

Aliases

arxiv: 1808.00754 · arxiv_version: 1808.00754v2 · doi: 10.48550/arxiv.1808.00754 · pith_short_12: 2WBOA2A4E24F · pith_short_16: 2WBOA2A4E24FSO5N · pith_short_8: 2WBOA2A4

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/2WBOA2A4E24FSO5NRR7EEZIMAH \
  | 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: d582e0681c26b8593bad8c7e42650c01e8a8994ab4a52c9b6775be7b8ba5405d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbfc9e17a75cc67811c47cc699cbba20acaab5f8e8508a09e5918e59333a6878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-08-02T10:33:27Z",
    "title_canon_sha256": "6e6baaaa45fbe1ffa8965a08a897c57e52085138af9c6e99a5a573f80bb97442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00754",
    "kind": "arxiv",
    "version": 2
  }
}