Pith Number

pith:F2VAGABZ

pith:2015:F2VAGABZWJBGF4DQFM2NV6E7UE

not attested not anchored not stored refs pending

Blind quantum computation over a collective-noise channel

Keisuke Fujii, Nobuyuki Imoto, Rikizo Ikuta, Takashi Yamamoto, Yuki Takeuchi

arxiv:1505.04248 v2 · 2015-05-16 · 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{F2VAGABZWJBGF4DQFM2NV6E7UE}

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	2026-05-18T01:15:15.225944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eaa030039b24262f0702b34daf89fa133e16afd7eb3fa6c6182d10bb9ed0a31

Aliases

arxiv: 1505.04248 · arxiv_version: 1505.04248v2 · doi: 10.48550/arxiv.1505.04248 · pith_short_12: F2VAGABZWJBG · pith_short_16: F2VAGABZWJBGF4DQ · pith_short_8: F2VAGABZ

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/F2VAGABZWJBGF4DQFM2NV6E7UE \
  | 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: 2eaa030039b24262f0702b34daf89fa133e16afd7eb3fa6c6182d10bb9ed0a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5810b32baa45627efd80f2bc1b9a408840f84ed1217fd40d2a94f70f676535d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-16T06:36:09Z",
    "title_canon_sha256": "925d6be35932ace8cdaf93130c5ae4004a97d596d7e939b56a387bc709d89d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04248",
    "kind": "arxiv",
    "version": 2
  }
}