Pith Number

pith:JF25VPW2

pith:2015:JF25VPW2ZB4HRYA6SEXPUUASQI

not attested not anchored not stored refs pending

Exponential Lifetime Improvement in Topological Quantum Memories

Charles-Edouard Bardyn, Torsten Karzig

arxiv:1512.04528 v1 · 2015-12-14 · cond-mat.stat-mech · 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{JF25VPW2ZB4HRYA6SEXPUUASQI}

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	2026-05-18T01:04:14.107750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4975dabedac87878e01e912efa501282267134a8fe8a71d1171a0ab3eee396b7

Aliases

arxiv: 1512.04528 · arxiv_version: 1512.04528v1 · doi: 10.48550/arxiv.1512.04528 · pith_short_12: JF25VPW2ZB4H · pith_short_16: JF25VPW2ZB4HRYA6 · pith_short_8: JF25VPW2

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/JF25VPW2ZB4HRYA6SEXPUUASQI \
  | 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: 4975dabedac87878e01e912efa501282267134a8fe8a71d1171a0ab3eee396b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc42c8c8d73f7f63f6050fea263977d72c092eb476cd26f86eb44817d8b2fe0",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2015-12-14T21:00:01Z",
    "title_canon_sha256": "4c050a5ac2994d4f2edbfbb98b8130a38eeb4644a48536771602e804931cb5d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04528",
    "kind": "arxiv",
    "version": 1
  }
}