Pith Number

pith:VHQWBSHL

pith:2012:VHQWBSHLUO6KXGCPLJKV43LAUA

not attested not anchored not stored refs pending

A Hierarchy of Information Quantities for Finite Block Length Analysis of Quantum Tasks

Marco Tomamichel, Masahito Hayashi

arxiv:1208.1478 v3 · 2012-08-07 · 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{VHQWBSHLUO6KXGCPLJKV43LAUA}

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	2026-05-18T03:09:20.200676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e160c8eba3bcab984f5a555e6d60a01a4f4ea2787d760d74265ce0caee4ca1

Aliases

arxiv: 1208.1478 · arxiv_version: 1208.1478v3 · doi: 10.48550/arxiv.1208.1478 · pith_short_12: VHQWBSHLUO6K · pith_short_16: VHQWBSHLUO6KXGCP · pith_short_8: VHQWBSHL

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/VHQWBSHLUO6KXGCPLJKV43LAUA \
  | 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: a9e160c8eba3bcab984f5a555e6d60a01a4f4ea2787d760d74265ce0caee4ca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70cf464cf2a9495caba0520c8f8706dc15b181963b6f46691434f3c6403faef2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-07T17:44:19Z",
    "title_canon_sha256": "e73aa516e8f20853afb80bc331f99508f597acaa19d457f0b2002d348b839dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1478",
    "kind": "arxiv",
    "version": 3
  }
}