Pith Number

pith:HLNL7FUT

pith:2016:HLNL7FUTJTJWNYIPX3JFCJOQ3U

not attested not anchored not stored refs pending

VLBI observations of a flared optical quasar CGRaBS J0809+5341

Krisztina E. Gabanyi, Leonid I. Gurvits, Sandor Frey, Tao An, Yu-Zhu Cui, Zsolt Paragi

arxiv:1607.06533 v2 · 2016-07-22 · 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{HLNL7FUTJTJWNYIPX3JFCJOQ3U}

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	2026-05-18T01:09:12.506143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3adabf96934cd366e10fbed25125d0dd33a46652c4967096eebd8048e3009d6a

Aliases

arxiv: 1607.06533 · arxiv_version: 1607.06533v2 · doi: 10.48550/arxiv.1607.06533 · pith_short_12: HLNL7FUTJTJW · pith_short_16: HLNL7FUTJTJWNYIP · pith_short_8: HLNL7FUT

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/HLNL7FUTJTJWNYIPX3JFCJOQ3U \
  | 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: 3adabf96934cd366e10fbed25125d0dd33a46652c4967096eebd8048e3009d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a8ef479e0ee30c82bcec2042f86141574d024740a1b8b1ccca3eddbf845d961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-22T01:09:32Z",
    "title_canon_sha256": "e7097fe1f22e9cbdb7eb5bed85ac346dddcdf2e9e4fb28b2d620b5c619134bce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06533",
    "kind": "arxiv",
    "version": 2
  }
}