Pith Number

pith:KJBO2SL4

pith:2019:KJBO2SL44KWWOMKH7IAHLVHIGJ

not attested not anchored not stored refs pending

HST unveils a compact mildly relativistic Broad Line Region in the candidate true type 2 NGC 3147

Alessandro Capetti, Andrea Marinucci, Ari Laor, Fabio La Franca, Francesca Panessa, Francisco J. Carrera, Giorgio Matt, Loredana Bassani, Marco Chiaberge, Riccardo Middei, Robert Antonucci, Stefano Bianchi

arxiv:1905.09627 v1 · 2019-05-23 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJBO2SL44KWWOMKH7IAHLVHIGJ}

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	2026-05-17T23:40:31.819028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5242ed497ce2ad673147fa0075d4e83249e1d2e9ac3a8cdca0b0b2c862e160f6

Aliases

arxiv: 1905.09627 · arxiv_version: 1905.09627v1 · doi: 10.48550/arxiv.1905.09627 · pith_short_12: KJBO2SL44KWW · pith_short_16: KJBO2SL44KWWOMKH · pith_short_8: KJBO2SL4

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/KJBO2SL44KWWOMKH7IAHLVHIGJ \
  | 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: 5242ed497ce2ad673147fa0075d4e83249e1d2e9ac3a8cdca0b0b2c862e160f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a65f97bc4853b8a47982cf80ff8a2f406b00d5889f386bfb011a4c31b3e046d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-23T13:00:50Z",
    "title_canon_sha256": "e6aadd6a8c193007a66e7495057ce758924388803ff94eb5b7df8579db2cd465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09627",
    "kind": "arxiv",
    "version": 1
  }
}