Pith Number

pith:EQLFAW3S

pith:2019:EQLFAW3SNULNX6U4T735STUPXE

not attested not anchored not stored refs pending

Spaceborne low-noise single-photon detection for satellite-based quantum communications

Cheng-Zhi Peng, Feihu Xu, Hai-Lin Yong, Jian-Wei Pan, Ji-Gang Ren, Juan Yin, Liang Zhang, Meng Yang, Qi Shen, Sheng-Kai Liao, Yang Li, Yuan Cao

arxiv:1910.08161 v1 · 2019-10-15 · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQLFAW3SNULNX6U4T735STUPXE}

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	2026-07-05T00:30:29.320349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2416505b726d16dbfa9c9ff7d94e8fb90e55c7857457711c660de4c4b2cb1236

Aliases

arxiv: 1910.08161 · arxiv_version: 1910.08161v1 · doi: 10.48550/arxiv.1910.08161 · pith_short_12: EQLFAW3SNULN · pith_short_16: EQLFAW3SNULNX6U4 · pith_short_8: EQLFAW3S

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/EQLFAW3SNULNX6U4T735STUPXE \
  | 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: 2416505b726d16dbfa9c9ff7d94e8fb90e55c7857457711c660de4c4b2cb1236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba318d793f0985f5df72f0d1d6307590e0e70a848efc7b29e69f6424c08d1e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-10-15T12:06:58Z",
    "title_canon_sha256": "047f255f6ff59a7b55f97c00eb06b627f6e1827e4d5d88af4b9aa70ec50196fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08161",
    "kind": "arxiv",
    "version": 1
  }
}