Pith Number

pith:ZCTWTVZF

pith:2016:ZCTWTVZFTM6UNFRDKA3Q336BI6

not attested not anchored not stored refs pending

Stellar populations across the black hole mass - velocity dispersion relation

Aaron J. Romanowsky, Duncan A. Forbes, Ignacio Mart\'in-Navarro, Jean P. Brodie, Remco C. E. van den Bosch

arxiv:1609.05899 v1 · 2016-09-19 · 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{ZCTWTVZFTM6UNFRDKA3Q336BI6}

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	2026-05-18T00:57:10.551522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2

Aliases

arxiv: 1609.05899 · arxiv_version: 1609.05899v1 · doi: 10.48550/arxiv.1609.05899 · pith_short_12: ZCTWTVZFTM6U · pith_short_16: ZCTWTVZFTM6UNFRD · pith_short_8: ZCTWTVZF

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/ZCTWTVZFTM6UNFRDKA3Q336BI6 \
  | 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: c8a769d7259b3d46962350370defc147b4b2e7bb227300e94b55ae9e005151d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68eb32277523d06807c198497aad36d478948e0bfa43a9396cf9193b66e4dd66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-19T20:00:01Z",
    "title_canon_sha256": "db85d72c1565cda3f294a9b2e77cc9cb2113ebd1eb2aa3e9a520e7f1be1fe73c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05899",
    "kind": "arxiv",
    "version": 1
  }
}