Pith Number

pith:YYAZPBGA

pith:2019:YYAZPBGA5CYQEUCTHVVTHTLBBA

not attested not anchored not stored refs pending

Black hole scaling relations of active and quiescent galaxies: Addressing selection effects and constraining virial factors

(2) University of Pennsylvania, (3) Scuola Normale Superiore, (4) Sapienza Universit\`a di Roma, (5) Institute of Space Sciences, (6) Pontificia Universidad Cat\'olica de Chile, (7) Institute of Cosmology, (8) Universit\`a Roma Tre, (9) Yale University), Barcelona, Christopher Marsden (1), Fabio La Franca (8), Fabio Pacucci (9) ((1) University of Southampton, Federica Ricci (6), Francesco Shankar (1), Gravitation, Kayleigh Richardson (1), Luca Graziani (4), Mariangela Bernardi (2), Mar Mezcua (5), Ravi K. Sheth (2), Samantha J. Penny (7), Viola Allevato (3)

arxiv:1901.11036 v1 · 2019-01-30 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYAZPBGA5CYQEUCTHVVTHTLBBA}

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	2026-05-17T23:54:15.065169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6019784c0e8b10250533d6b33cd6108354f5e520cac51148e43bf94f80778a4

Aliases

arxiv: 1901.11036 · arxiv_version: 1901.11036v1 · doi: 10.48550/arxiv.1901.11036 · pith_short_12: YYAZPBGA5CYQ · pith_short_16: YYAZPBGA5CYQEUCT · pith_short_8: YYAZPBGA

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/YYAZPBGA5CYQEUCTHVVTHTLBBA \
  | 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: c6019784c0e8b10250533d6b33cd6108354f5e520cac51148e43bf94f80778a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bef1edf2233ef5aa3049c387a79ffba7072c0d0ba959fa47aa27c04de8aec3f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-30T19:00:07Z",
    "title_canon_sha256": "dd46267573101fd2f21480f1fc5f01b726dd9fcb960649196f4e57e1b4b0097b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11036",
    "kind": "arxiv",
    "version": 1
  }
}