Pith Number

pith:Q7H7MKLZ

pith:2012:Q7H7MKLZ2FH2KJTIPOUYDZK5TV

not attested not anchored not stored refs pending

Positivity in the presence of initial system-environment correlation

Al\'an Aspuru-Guzik, C\'esar A. Rodr\'iguez-Rosario, Kavan Modi

arxiv:1203.5209 v2 · 2012-03-23 · 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{Q7H7MKLZ2FH2KJTIPOUYDZK5TV}

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	2026-05-18T03:38:23.637641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87cff62979d14fa526687ba981e55d9d7727b62c34d233cde2f70129bb196d4d

Aliases

arxiv: 1203.5209 · arxiv_version: 1203.5209v2 · doi: 10.48550/arxiv.1203.5209 · pith_short_12: Q7H7MKLZ2FH2 · pith_short_16: Q7H7MKLZ2FH2KJTI · pith_short_8: Q7H7MKLZ

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/Q7H7MKLZ2FH2KJTIPOUYDZK5TV \
  | 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: 87cff62979d14fa526687ba981e55d9d7727b62c34d233cde2f70129bb196d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d88bd5c119c19408d018100f8d9a2bb4e9a0251f10336da53e8c8e215df142c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-23T11:00:37Z",
    "title_canon_sha256": "4ff8b23d9b5154b14f008daeb25d8f792af7fe2ab1fafb51ab9d13caecfd05f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5209",
    "kind": "arxiv",
    "version": 2
  }
}