Pith Number

pith:Y7BQPLBF

pith:2020:Y7BQPLBFHF2KA2BHN3ABUBHM66

not attested not anchored not stored refs pending

Improving the estimation of environment parameters via initial probe-environment correlations

Adam Zaman Chaudhry, Hamza Ather

arxiv:2011.08836 v2 · 2020-11-17 · 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{Y7BQPLBFHF2KA2BHN3ABUBHM66}

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	2026-07-05T02:59:06.106544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c307ac253974a068276ec01a04ecf7ad87af55f006337b01d739550a6b2b6a

Aliases

arxiv: 2011.08836 · arxiv_version: 2011.08836v2 · doi: 10.48550/arxiv.2011.08836 · pith_short_12: Y7BQPLBFHF2K · pith_short_16: Y7BQPLBFHF2KA2BH · pith_short_8: Y7BQPLBF

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/Y7BQPLBFHF2KA2BHN3ABUBHM66 \
  | 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: c7c307ac253974a068276ec01a04ecf7ad87af55f006337b01d739550a6b2b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae6c09fb4ea5d0f56a2184bea4e05df6bab0021572b67702d3d6641c396388bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-11-17T18:55:29Z",
    "title_canon_sha256": "af23c82a6b7c4d6477738a2609d882392954f1c3169e718c3e83f71a6a7a20f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08836",
    "kind": "arxiv",
    "version": 2
  }
}