Pith Number

pith:WEUOI23L

pith:2013:WEUOI23LR2C7VMY5OHEARWWGZT

not attested not anchored not stored refs pending

The universe as quantum computer

Seth Lloyd

arxiv:1312.4455 v1 · 2013-12-16 · quant-ph · physics.pop-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{WEUOI23LR2C7VMY5OHEARWWGZT}

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

1 paper in Pith

A Superalgebra Within: representations of lightest standard model particles form a $\mathbb{Z}_2^5$-graded algebra

Receipt and verification

First computed	2026-05-18T03:04:24.748463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b128e46b6b8e85fab31d71c808dac6ccea22f06037d944501447747d5b2a8445

Aliases

arxiv: 1312.4455 · arxiv_version: 1312.4455v1 · doi: 10.48550/arxiv.1312.4455 · pith_short_12: WEUOI23LR2C7 · pith_short_16: WEUOI23LR2C7VMY5 · pith_short_8: WEUOI23L

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/WEUOI23LR2C7VMY5OHEARWWGZT \
  | 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: b128e46b6b8e85fab31d71c808dac6ccea22f06037d944501447747d5b2a8445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22940adeba56dca672745359e586b4fa252e044df0ef242fcdb5e909836faa36",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-16T18:42:34Z",
    "title_canon_sha256": "bd769dc0e362d4adbbff6b03fcf2e6dea49285e8d04fcc03654d1aff2326f9ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4455",
    "kind": "arxiv",
    "version": 1
  }
}