Pith Number

pith:FPGTL3FH

pith:2019:FPGTL3FHTXVAIU6TNYQXCPU3JU

not attested not anchored not stored refs pending

General sending-or-not-sending twin field protocol for quantum key distribution with asymmetric source parameters

Cong Jiang, Xiang-Bin Wang, Xiao-Long Hu, Zong-Wen Yu

arxiv:1908.05073 v1 · 2019-08-14 · 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{FPGTL3FHTXVAIU6TNYQXCPU3JU}

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	2026-07-05T00:28:51.996954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bcd35eca79dea0453d36e21713e9b4d26ab51e2ee93af422774c9cd2fba3dde

Aliases

arxiv: 1908.05073 · arxiv_version: 1908.05073v1 · doi: 10.48550/arxiv.1908.05073 · pith_short_12: FPGTL3FHTXVA · pith_short_16: FPGTL3FHTXVAIU6T · pith_short_8: FPGTL3FH

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/FPGTL3FHTXVAIU6TNYQXCPU3JU \
  | 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: 2bcd35eca79dea0453d36e21713e9b4d26ab51e2ee93af422774c9cd2fba3dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4010bb20b5b398a5c312191a96094a69593508556b48db3261397b21b24952e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-14T11:16:12Z",
    "title_canon_sha256": "ce1f737e90b4b47eed515e9abea7a4c083ce0a5df94b9bca61e3b2cab601795c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05073",
    "kind": "arxiv",
    "version": 1
  }
}