Pith Number

pith:GXFVZFKE

pith:2015:GXFVZFKEIBXYWFMDBGOIXP46DD

not attested not anchored not stored refs pending

An Off-Nucleus Nonstellar Black Hole in the Seyfert Galaxy NGC 5252

Chen Wang, Giuseppe Malaguti, Giuseppina Fabbiano, Junfeng Wang, Luis C. Ho, Massimo Cappi, Mauro Dadina, Minjin Kim, Stefano Bianchi

arxiv:1510.08854 v1 · 2015-10-29 · 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{GXFVZFKEIBXYWFMDBGOIXP46DD}

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	2026-05-18T01:26:40.636512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35cb5c9544406f8b1583099c8bbf9e18f0831af2e27778a3cee74c4bb6f7a85f

Aliases

arxiv: 1510.08854 · arxiv_version: 1510.08854v1 · doi: 10.48550/arxiv.1510.08854 · pith_short_12: GXFVZFKEIBXY · pith_short_16: GXFVZFKEIBXYWFMD · pith_short_8: GXFVZFKE

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/GXFVZFKEIBXYWFMDBGOIXP46DD \
  | 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: 35cb5c9544406f8b1583099c8bbf9e18f0831af2e27778a3cee74c4bb6f7a85f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d1363a5b197b8dc35df54d786ce5a2365e7045491708aa43916acc602d419d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-29T20:00:02Z",
    "title_canon_sha256": "5e7f90725ad1430751f273ea1d6c21c8737a9ab1f9c1bfabed0d8c313071ad1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08854",
    "kind": "arxiv",
    "version": 1
  }
}