Pith Number

pith:IXJDOJFM

pith:2019:IXJDOJFM7BC6I3VNADX5HXRJQJ

not attested not anchored not stored refs pending

Multi-bit quantum digital signature based on quantum temporal ghost imaging

Hao Li, Heqing Wang, Lixing You, Rong Xue, Wei Zhang, Xin Yao, Xu Liu, Yidong Huang, Zhen Wang

arxiv:1901.03004 v3 · 2019-01-10 · 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{IXJDOJFM7BC6I3VNADX5HXRJQJ}

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	2026-05-17T23:47:35.844293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d23724acf845e46ead00efd3de29826c8aeda6f6889fc67b348db27ab7c901

Aliases

arxiv: 1901.03004 · arxiv_version: 1901.03004v3 · doi: 10.48550/arxiv.1901.03004 · pith_short_12: IXJDOJFM7BC6 · pith_short_16: IXJDOJFM7BC6I3VN · pith_short_8: IXJDOJFM

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/IXJDOJFM7BC6I3VNADX5HXRJQJ \
  | 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: 45d23724acf845e46ead00efd3de29826c8aeda6f6889fc67b348db27ab7c901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86631a56d3971f171083d259d253520c391ff5d560fcf5a69118a6dad7d95efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-10T03:02:12Z",
    "title_canon_sha256": "dc4a48de0b5aaf6f20e77738fefc6e0d6d4ae6009ca57df7302cf658a73d18ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03004",
    "kind": "arxiv",
    "version": 3
  }
}