Pith Number

pith:2G4PNWI6

pith:2021:2G4PNWI6US7POYHTZMN5UAYWGA

not attested not anchored not stored refs pending

Resource Allocation for Millimeter-Wave Train-Ground Communications in High-Speed Railway Scenarios

Bo Ai, Ruisi He, Shiwen Mao, Xiangfei Zhang, Yiru Liu, Yong Niu, Yunlong Cai, Zhangdui Zhong

arxiv:2104.13623 v1 · 2021-04-28 · cs.IT · cs.NI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G4PNWI6US7POYHTZMN5UAYWGA}

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	2026-07-05T02:35:56.564755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b8f6d91ea4bef760f3cb1bda0316301d7b25fb5fdbf34d60f4b468ec41e87f

Aliases

arxiv: 2104.13623 · arxiv_version: 2104.13623v1 · doi: 10.48550/arxiv.2104.13623 · pith_short_12: 2G4PNWI6US7P · pith_short_16: 2G4PNWI6US7POYHT · pith_short_8: 2G4PNWI6

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/2G4PNWI6US7POYHTZMN5UAYWGA \
  | 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: d1b8f6d91ea4bef760f3cb1bda0316301d7b25fb5fdbf34d60f4b468ec41e87f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af85546582e6c1b28402785e8f507393c0b8bcc65d947282c9fb045351eded5",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-04-28T08:14:53Z",
    "title_canon_sha256": "8bf94f9732e4c999d5993b44c10d366c04fad4c4a37903f0b82d3cc24a6c0161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13623",
    "kind": "arxiv",
    "version": 1
  }
}