Pith Number

pith:MBDLL4L5

pith:2020:MBDLL4L5XID4XEFIOKQ5A7QF7A

not attested not anchored not stored refs pending

Time-Frequency Transfer through a 70 dB Free Space Channel: Towards Satellite-Ground Time Dissemination

Cheng-Zhi Peng, Hai-Feng Jiang, Jian-Jun Jia, Jian-Wei Pan, Jian-Yu Guan, Ji-Gang Ren, Jin-Cai Wu, Jiu-Peng Chen, Juan Yin, Lei Hou, Liang Huang, Qiang Zhang, Qi-Ming Lu, Qi Shen, Sheng-Kai Liao, Tian-Qi Tao, Ting Zeng, Yuan Cao

arxiv:2003.08322 v1 · 2020-03-18 · physics.optics · 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{MBDLL4L5XID4XEFIOKQ5A7QF7A}

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	2026-07-05T02:46:08.480684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6046b5f17dba07cb90a872a1d07e05f826fc6e2108df002520c963c331d8ca47

Aliases

arxiv: 2003.08322 · arxiv_version: 2003.08322v1 · doi: 10.48550/arxiv.2003.08322 · pith_short_12: MBDLL4L5XID4 · pith_short_16: MBDLL4L5XID4XEFI · pith_short_8: MBDLL4L5

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/MBDLL4L5XID4XEFIOKQ5A7QF7A \
  | 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: 6046b5f17dba07cb90a872a1d07e05f826fc6e2108df002520c963c331d8ca47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61c9e2863f5bc6751ba38eb109e879b7efcabcf850c5dffc4a94fbda77ae0cec",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-03-18T16:31:21Z",
    "title_canon_sha256": "2af4a8ea2055d7fdace91fb1b4089305839a91ea838e2650b6e965b8d59506f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08322",
    "kind": "arxiv",
    "version": 1
  }
}