Pith Number

pith:7QJX4UTB

pith:2018:7QJX4UTB7JVVRKXTVBJS3PT2JU

not attested not anchored not stored refs pending

Operational interpretation of coherence in quantum key distribution

Jiajun Ma, Xiao Yuan, Xiongfeng Ma, You Zhou

arxiv:1810.03267 v2 · 2018-10-08 · 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{7QJX4UTB7JVVRKXTVBJS3PT2JU}

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	2026-05-17T23:42:42.955915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc137e5261fa6b58aaf3a8532dbe7a4d2ed92ed89de889870ca3ad24fe41222e

Aliases

arxiv: 1810.03267 · arxiv_version: 1810.03267v2 · doi: 10.48550/arxiv.1810.03267 · pith_short_12: 7QJX4UTB7JVV · pith_short_16: 7QJX4UTB7JVVRKXT · pith_short_8: 7QJX4UTB

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/7QJX4UTB7JVVRKXTVBJS3PT2JU \
  | 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: fc137e5261fa6b58aaf3a8532dbe7a4d2ed92ed89de889870ca3ad24fe41222e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2fe8d56569b881a11b4abc2284e204660b1d23b65a64df52dba998c7a0a89d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-08T04:34:18Z",
    "title_canon_sha256": "0d0e6c075c2cd2e5f35bc010f89bb013896df57a5ee9965763386fe0ee58d4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03267",
    "kind": "arxiv",
    "version": 2
  }
}