Pith Number

pith:XLFONCB5

pith:2019:XLFONCB56BV6SKKA3TJ4BA3Z4N

not attested not anchored not stored refs pending

SDSS-IV/SPIDERS: A Catalogue of X-Ray Selected AGN Properties; Spectral Properties and Black Hole Mass Estimates for SPIDERS SDSS DR14 Type 1 AGN

Agnese Del Moro, Andrea Merloni, Andreas Schulze, Damien Coffey, Donald P. Schneider, Johan Comparat, Kirpal Nandra, Mara Salvato, Thomas Boller, Tom Dwelly

arxiv:1904.10780 v1 · 2019-04-24 · 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{XLFONCB56BV6SKKA3TJ4BA3Z4N}

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	2026-05-17T23:44:54.156277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bacae6883df06be92940dcd3c08379e374f80c5db5fe360454ff368fb13f44b4

Aliases

arxiv: 1904.10780 · arxiv_version: 1904.10780v1 · doi: 10.48550/arxiv.1904.10780 · pith_short_12: XLFONCB56BV6 · pith_short_16: XLFONCB56BV6SKKA · pith_short_8: XLFONCB5

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/XLFONCB56BV6SKKA3TJ4BA3Z4N \
  | 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: bacae6883df06be92940dcd3c08379e374f80c5db5fe360454ff368fb13f44b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c070b9f12642439c57b9cb353132e9f0c45c106153d445764e8e5a2d206f86",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-24T13:03:22Z",
    "title_canon_sha256": "66c7c14ad987113913967ad59d77beb101914ae7af81e06bbf38f3343f5f7a6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10780",
    "kind": "arxiv",
    "version": 1
  }
}