Pith Number

pith:UA25WTBT

pith:2020:UA25WTBTRVLEYWAPYBOQJKP3E4

not attested not anchored not stored refs pending

Long-term spin state storage using ancilla charge memories

Artur Lozovoi, Carlos A. Meriles, Damon Daw, Harishankar Jayakumar

arxiv:2003.13148 v1 · 2020-03-29 · 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{UA25WTBTRVLEYWAPYBOQJKP3E4}

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	2026-07-05T02:02:33.363238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a035db4c338d564c580fc05d04a9fb2723087b7c534f2a7a2e2caa7c59264f5b

Aliases

arxiv: 2003.13148 · arxiv_version: 2003.13148v1 · doi: 10.48550/arxiv.2003.13148 · pith_short_12: UA25WTBTRVLE · pith_short_16: UA25WTBTRVLEYWAP · pith_short_8: UA25WTBT

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/UA25WTBTRVLEYWAPYBOQJKP3E4 \
  | 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: a035db4c338d564c580fc05d04a9fb2723087b7c534f2a7a2e2caa7c59264f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f412e2f458ff9e4bddc4f44c3455cbe50de684be18290b35dc8dc42ec025ecd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-29T21:57:11Z",
    "title_canon_sha256": "6dfc13507b1f2b2cb9f0d0dd9f3b0ec90e36b864f16430eba0bc03af15797e1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13148",
    "kind": "arxiv",
    "version": 1
  }
}