Pith Number

pith:MP4S4ZZB

pith:2022:MP4S4ZZBSZJ4CE3A2STWM5SQFE

not attested not anchored not stored refs pending

The Universe as a Quantum Encoder

Andrew Strominger, Jordan Cotler

arxiv:2201.11658 v2 · 2022-01-27 · hep-th · 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{MP4S4ZZBSZJ4CE3A2STWM5SQFE}

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.

Cited by

3 papers in Pith

Twirled Perfect Tensor Networks: Computationally covariant holographic tensor networks

No boundary density matrix in elliptic de Sitter dS/$\mathbb{Z}_2$

Receipt and verification

First computed	2026-07-05T03:54:27.111943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63f92e67219653c11360d4a7667650291693d51859b3132474a8995f691ee72d

Aliases

arxiv: 2201.11658 · arxiv_version: 2201.11658v2 · doi: 10.48550/arxiv.2201.11658 · pith_short_12: MP4S4ZZBSZJ4 · pith_short_16: MP4S4ZZBSZJ4CE3A · pith_short_8: MP4S4ZZB

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/MP4S4ZZBSZJ4CE3A2STWM5SQFE \
  | 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: 63f92e67219653c11360d4a7667650291693d51859b3132474a8995f691ee72d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322c4b5ff0b9b74366c3de4ad75d95f2cf6a24c93350216253048e60944a6ab2",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-01-27T17:11:07Z",
    "title_canon_sha256": "99cc7d9f1e5a7fe2c2db2bc694b639bd01727b527bfde2980a8ed853e2458625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11658",
    "kind": "arxiv",
    "version": 2
  }
}