Pith Number

pith:S77QLNTJ

pith:2021:S77QLNTJMGPZ4FXRXAGUIHEQWJ

not attested not anchored not stored refs pending

Mitigating errors by quantum verification and post-selection

Elham Kashefi, James Mills, Rawad Mezher

arxiv:2109.14329 v3 · 2021-09-29 · 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{S77QLNTJMGPZ4FXRXAGUIHEQWJ}

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	2026-07-05T04:29:26.371933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ff05b669619f9e16f1b80d441c90b241b9d477ad1490ce28183838bc46fa16

Aliases

arxiv: 2109.14329 · arxiv_version: 2109.14329v3 · doi: 10.48550/arxiv.2109.14329 · pith_short_12: S77QLNTJMGPZ · pith_short_16: S77QLNTJMGPZ4FXR · pith_short_8: S77QLNTJ

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/S77QLNTJMGPZ4FXRXAGUIHEQWJ \
  | 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: 97ff05b669619f9e16f1b80d441c90b241b9d477ad1490ce28183838bc46fa16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd7f7548a6dbe7bd2c69b6e40efaf57c2c8efd95f0151b5680342648d42e6ba1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-29T10:29:39Z",
    "title_canon_sha256": "161fcff129967566b6c8f95e611e12749f82ef343a737ff04e14e1d69dba12cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14329",
    "kind": "arxiv",
    "version": 3
  }
}