Pith Number

pith:5AKHCIYO

pith:2018:5AKHCIYO73A2X5524NFGJH4PQE

not attested not anchored not stored refs pending

Sparse Activity Detection for Massive Connectivity

Foad Sohrabi, Wei Yu, Zhilin Chen

arxiv:1801.05873 v1 · 2018-01-17 · cs.IT · 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{5AKHCIYO73A2X5524NFGJH4PQE}

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	2026-05-18T00:21:06.593345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81471230efec1abf7bae34a649f8f810b0253d75f46441ed4bff17fd4d2f1d8

Aliases

arxiv: 1801.05873 · arxiv_version: 1801.05873v1 · doi: 10.48550/arxiv.1801.05873 · pith_short_12: 5AKHCIYO73A2 · pith_short_16: 5AKHCIYO73A2X552 · pith_short_8: 5AKHCIYO

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/5AKHCIYO73A2X5524NFGJH4PQE \
  | 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: e81471230efec1abf7bae34a649f8f810b0253d75f46441ed4bff17fd4d2f1d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc248f131c449a750e1c5157bdbca59ec880e26ff261f2c181a027d525408a7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-17T22:03:38Z",
    "title_canon_sha256": "a9c610ad8003a75ffe3ca6acd4334ba8043a414d05337de2a8ebba184e47c771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05873",
    "kind": "arxiv",
    "version": 1
  }
}