Pith Number

pith:ZJKCHQEL

pith:2015:ZJKCHQEL4PMU324ML3X3VL4EES

not attested not anchored not stored refs pending

Intrinsic randomness as a measure of quantum coherence

Hongyi Zhou, Xiao Yuan, Xiongfeng Ma, Zhu Cao

arxiv:1505.04032 v2 · 2015-05-15 · 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{ZJKCHQEL4PMU324ML3X3VL4EES}

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	2026-05-18T00:47:33.984711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca5423c08be3d94deb8c5eefbaaf8424916a3092f2a8c09983d0600079255002

Aliases

arxiv: 1505.04032 · arxiv_version: 1505.04032v2 · doi: 10.48550/arxiv.1505.04032 · pith_short_12: ZJKCHQEL4PMU · pith_short_16: ZJKCHQEL4PMU324M · pith_short_8: ZJKCHQEL

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/ZJKCHQEL4PMU324ML3X3VL4EES \
  | 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: ca5423c08be3d94deb8c5eefbaaf8424916a3092f2a8c09983d0600079255002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84be2d59015230795d9c49120c9b8fb3f9e774ea0b47c2c8ceacf323d7d50e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-15T11:20:17Z",
    "title_canon_sha256": "196f40aadf4b27d7ba15ec6cd413f26d706fb2304ac1019ec764dde4807eb195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04032",
    "kind": "arxiv",
    "version": 2
  }
}