Pith Number

pith:S2LYCM2N

pith:2021:S2LYCM2NCS473ZRXVLENID5RAL

not attested not anchored not stored refs pending

Quantum verification and estimation with few copies

Aleksandra Go\v{c}anin, Borivoje Daki\'c, Joshua Morris, Valeria Saggio

arxiv:2109.03860 v2 · 2021-09-08 · 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{S2LYCM2NCS473ZRXVLENID5RAL}

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	2026-07-05T04:09:15.164962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969781334d14b9fde637aac8d40fb102dd27a9b739459b962b540613db1e0bfe

Aliases

arxiv: 2109.03860 · arxiv_version: 2109.03860v2 · doi: 10.48550/arxiv.2109.03860 · pith_short_12: S2LYCM2NCS47 · pith_short_16: S2LYCM2NCS473ZRX · pith_short_8: S2LYCM2N

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/S2LYCM2NCS473ZRXVLENID5RAL \
  | 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: 969781334d14b9fde637aac8d40fb102dd27a9b739459b962b540613db1e0bfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64a437d7b8cde4578bebfe9c4fbf82511ee33d097cca697601b58f0010b0340",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-08T18:20:07Z",
    "title_canon_sha256": "d96303cff2997021f1f463fcd428c1e7626e08826b0b65fc86ab107abf0f0115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03860",
    "kind": "arxiv",
    "version": 2
  }
}