Pith Number

pith:NG6P62QY

pith:2013:NG6P62QYH5CUEZGRYFLUV5TZFA

not attested not anchored not stored refs pending

The Objective Past of a Quantum Universe: Redundant Records of Consistent Histories

C. Jess Riedel, Michael Zwolak, Wojciech H. Zurek

arxiv:1312.0331 v4 · 2013-12-02 · 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{NG6P62QYH5CUEZGRYFLUV5TZFA}

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	2026-05-18T01:17:10.495780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69bcff6a183f454264d1c1574af67928338ed03210e71b65b8d023c26787b1fa

Aliases

arxiv: 1312.0331 · arxiv_version: 1312.0331v4 · doi: 10.48550/arxiv.1312.0331 · pith_short_12: NG6P62QYH5CU · pith_short_16: NG6P62QYH5CUEZGR · pith_short_8: NG6P62QY

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/NG6P62QYH5CUEZGRYFLUV5TZFA \
  | 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: 69bcff6a183f454264d1c1574af67928338ed03210e71b65b8d023c26787b1fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa86318d5aacd841b9b4a9705fc7676a3734467a61e8596918d44969cb6a615",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-02T05:02:40Z",
    "title_canon_sha256": "89015eeac37ba1f142d055bc3aa8f4641f9c47bb5db7c970226eb9e1535b8ecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0331",
    "kind": "arxiv",
    "version": 4
  }
}