Pith Number

pith:ENYSFFVA

pith:2015:ENYSFFVA6TF3ZITJ5S3X7C2AXW

not attested not anchored not stored refs pending

Effects of the reservoir squeezing on the precision of parameter estimation

Chang-shui Yu, He-Shan Song, Shao-xiong Wu

arxiv:1509.03955 v1 · 2015-09-14 · 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{ENYSFFVA6TF3ZITJ5S3X7C2AXW}

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	2026-05-18T01:32:26.470539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23712296a0f4cbbca269ecb77f8b40bd99b7d822863843a72c78e72ea0ac3754

Aliases

arxiv: 1509.03955 · arxiv_version: 1509.03955v1 · doi: 10.48550/arxiv.1509.03955 · pith_short_12: ENYSFFVA6TF3 · pith_short_16: ENYSFFVA6TF3ZITJ · pith_short_8: ENYSFFVA

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/ENYSFFVA6TF3ZITJ5S3X7C2AXW \
  | 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: 23712296a0f4cbbca269ecb77f8b40bd99b7d822863843a72c78e72ea0ac3754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1dc96a37faec93813f90539a1d21685a76f9190f730dd43643b47584ae1cc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-14T05:23:01Z",
    "title_canon_sha256": "ed9413d3466da7f12841672e18b16f5f8e25c1ad1ecd1741909aefde480a7b2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03955",
    "kind": "arxiv",
    "version": 1
  }
}