Pith Number

pith:5V7MI6Q3

pith:2020:5V7MI6Q3QIXJPB4425FKPRUMAZ

not attested not anchored not stored refs pending

Contention-based Grant-free Transmission with Independent Multi-pilot Scheme

Weimin Li, Yihua Ma, Yuzhou Hu, Zhifeng Yuan, Zhigang Li

arxiv:2004.03225 v1 · 2020-04-07 · cs.IT · eess.SP · 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{5V7MI6Q3QIXJPB4425FKPRUMAZ}

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	2026-07-05T00:53:24.018976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed7ec47a1b822e97879cd74aa7c68c0675521c7b3af70ab94ca5c95c3c937214

Aliases

arxiv: 2004.03225 · arxiv_version: 2004.03225v1 · doi: 10.48550/arxiv.2004.03225 · pith_short_12: 5V7MI6Q3QIXJ · pith_short_16: 5V7MI6Q3QIXJPB44 · pith_short_8: 5V7MI6Q3

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/5V7MI6Q3QIXJPB4425FKPRUMAZ \
  | 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: ed7ec47a1b822e97879cd74aa7c68c0675521c7b3af70ab94ca5c95c3c937214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dff15f65d5ef7260d35597cfbd89e940fc9b286c17969503729dd5cfc93c34b",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-04-07T09:35:16Z",
    "title_canon_sha256": "186a25ce88e6f8dc66934e75ec2ad787d8330619e22bb9ed1a937e8f8cf135e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03225",
    "kind": "arxiv",
    "version": 1
  }
}