Pith Number

pith:NVH3ISD2

pith:2010:NVH3ISD2E5QUSWSXSGOW4VAXPM

not attested not anchored not stored refs pending

Information preserving structures: A general framework for quantum zero-error information

David Poulin, Hui Khoon Ng, Lorenza Viola, Robin Blume-Kohout

arxiv:1006.1358 v1 · 2010-06-07 · 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{NVH3ISD2E5QUSWSXSGOW4VAXPM}

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	2026-05-18T03:23:48.477804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d4fb4487a2761495a57919d6e54177b2c0ea250a65d334e4d91beda5bac2151

Aliases

arxiv: 1006.1358 · arxiv_version: 1006.1358v1 · doi: 10.48550/arxiv.1006.1358 · pith_short_12: NVH3ISD2E5QU · pith_short_16: NVH3ISD2E5QUSWSX · pith_short_8: NVH3ISD2

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/NVH3ISD2E5QUSWSXSGOW4VAXPM \
  | 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: 6d4fb4487a2761495a57919d6e54177b2c0ea250a65d334e4d91beda5bac2151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2c00399c48e2dafebe3771641387ed2fbae9fcd2154e986ce4a8cc48e433cc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-07T20:00:16Z",
    "title_canon_sha256": "87f070501ebb806d341caa075af6ebe612ce5fff45e1cff2b34820737e6dfd7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1358",
    "kind": "arxiv",
    "version": 1
  }
}