Pith Number

pith:CWX7CU56

pith:2018:CWX7CU56U5N25ML3UXBLAGGBV5

not attested not anchored not stored refs pending

The loud and the quiet: searching for radio counterparts of two radio-weak BL Lac candidates with VLBI

Hong-Min Cao, Jun Yang, Krisztina \'E. Gab\'anyi, Lang Cui, S\'andor Frey, Tao An, Xiao-Yu Hong

arxiv:1810.01204 v1 · 2018-10-02 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWX7CU56U5N25ML3UXBLAGGBV5}

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	2026-05-18T00:03:01.122944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15aff153bea75baeb17ba5c2b018c1af47ffd80e4987d9c806e5a9eef8a920e9

Aliases

arxiv: 1810.01204 · arxiv_version: 1810.01204v1 · doi: 10.48550/arxiv.1810.01204 · pith_short_12: CWX7CU56U5N2 · pith_short_16: CWX7CU56U5N25ML3 · pith_short_8: CWX7CU56

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/CWX7CU56U5N25ML3UXBLAGGBV5 \
  | 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: 15aff153bea75baeb17ba5c2b018c1af47ffd80e4987d9c806e5a9eef8a920e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee507a8252055f31433093c6eb9a31bd9c6aa3a10c66eeb63a2ddd72c1135cb4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-02T12:40:01Z",
    "title_canon_sha256": "d5f7772f77e05945933d88d3addc431b8db5ebe27c5ce343678c19e86cf1f487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01204",
    "kind": "arxiv",
    "version": 1
  }
}