Pith Number

pith:DW4RBP6V

pith:2019:DW4RBP6VFHTNMBCZBPJLNMJRCJ

not attested not anchored not stored refs pending

Stronger Constraints on the Evolution of the $M_{\rm{BH}}-\sigma_*$ Relation up to $z\sim0.6$

Ezequiel Treister, Gabriela Canalizo, Jong-Hak Woo, Kyle D. Hiner, Remington O. Sexton, Sabrina Lyn Hiner Dimassimo, Stefanie Komossa

arxiv:1905.05780 v2 · 2019-05-14 · 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{DW4RBP6VFHTNMBCZBPJLNMJRCJ}

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	2026-05-17T23:42:19.012731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1db910bfd529e6d604590bd2b6b13112555a91fc99769b2d74a2dbf151925e9a

Aliases

arxiv: 1905.05780 · arxiv_version: 1905.05780v2 · doi: 10.48550/arxiv.1905.05780 · pith_short_12: DW4RBP6VFHTN · pith_short_16: DW4RBP6VFHTNMBCZ · pith_short_8: DW4RBP6V

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/DW4RBP6VFHTNMBCZBPJLNMJRCJ \
  | 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: 1db910bfd529e6d604590bd2b6b13112555a91fc99769b2d74a2dbf151925e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af850fea15a1e4e1bb9e9df4f1e917e0c931888a5ea9b2ada6f704314fc34702",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-14T18:02:15Z",
    "title_canon_sha256": "c1f16fc55bcc6a37745d2ecf5b9bbb02c0340446834ddcdfc334c26c44c25d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05780",
    "kind": "arxiv",
    "version": 2
  }
}