Pith Number

pith:BYDGFVI6

pith:2019:BYDGFVI6VPM6IATM2FGILXLF3K

not attested not anchored not stored refs pending

A low-frequency study of recently identified double-double radio galaxies

D.J. Saikia, H.C. Chandola, J. Larsson, M. Baes, M. Singh, P. Dabhade, R. Roy, S. Nandi, Y. Wadadekar

arxiv:1905.00677 v1 · 2019-05-02 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYDGFVI6VPM6IATM2FGILXLF3K}

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	2026-05-17T23:40:32.223604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0662d51eabd9e4026cd14c85dd65da95600644f951ed8c3b352b9b8e8e33da

Aliases

arxiv: 1905.00677 · arxiv_version: 1905.00677v1 · doi: 10.48550/arxiv.1905.00677 · pith_short_12: BYDGFVI6VPM6 · pith_short_16: BYDGFVI6VPM6IATM · pith_short_8: BYDGFVI6

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/BYDGFVI6VPM6IATM2FGILXLF3K \
  | 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: 0e0662d51eabd9e4026cd14c85dd65da95600644f951ed8c3b352b9b8e8e33da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca680291519bf8920f7ad6fabc1eefba3a7ae86e05e98f3a6a256200d5bc8ca",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-02T11:47:34Z",
    "title_canon_sha256": "54b9fa03a9238bd1ff118cf4d7eb5c70f8de6bd72a811f04014967bf83618245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00677",
    "kind": "arxiv",
    "version": 1
  }
}