Pith Number

pith:NPEP4OKN

pith:2020:NPEP4OKNKRESK6SDAEFR3QL7OA

not attested not anchored not stored refs pending

Multi-wavelength observations of SDSS J105621.45+313822.1, a broad-line, low-metallicity AGN

Barry Rothberg, Christina Manzano-King, Gabriela Canalizo, Jenna M. Cann, Laura Blecha, Mario Gliozzi, Nathan J. Secrest, Remington O. Sexton, Ryan W. Pfeifle, Shobita Satyapal, Thomas Bohn

arxiv:2004.11295 v1 · 2020-04-23 · 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{NPEP4OKNKRESK6SDAEFR3QL7OA}

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	2026-07-05T01:10:36.609591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc8fe394d5449257a43010b1dc17f700fa534e231dca0cac75fb20cf0e9d988

Aliases

arxiv: 2004.11295 · arxiv_version: 2004.11295v1 · doi: 10.48550/arxiv.2004.11295 · pith_short_12: NPEP4OKNKRES · pith_short_16: NPEP4OKNKRESK6SD · pith_short_8: NPEP4OKN

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/NPEP4OKNKRESK6SDAEFR3QL7OA \
  | 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: 6bc8fe394d5449257a43010b1dc17f700fa534e231dca0cac75fb20cf0e9d988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5640cabe27e573c104ef2e4deb3f384c79a4d56d884450bdbfddc58e2fdb719a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-23T16:22:22Z",
    "title_canon_sha256": "c626e8d9b9369329fe60dafce5da90a462b19a2d916370533fe6dd280eab20e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11295",
    "kind": "arxiv",
    "version": 1
  }
}