Pith Number

pith:G6CZLBMB

pith:2019:G6CZLBMBH2566KE37ZVTEZ6TQW

not attested not anchored not stored refs pending

Clocking the formation of today's largest galaxies: Wide field integral spectroscopy of Brightest Cluster Galaxies and their surroundings

Grant R. Tremblay, Hannah Alpert, Hugo Martel, Isabella Trierweiler, Louise O.V. Edwards, Matthew Salinas, Paula Coelho, Priscilla E. Holguin West, Saisneha Koppaka, Steffanie Stanley, Yuan Li

arxiv:1909.10434 v1 · 2019-09-23 · 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{G6CZLBMBH2566KE37ZVTEZ6TQW}

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	2026-07-05T00:10:44.538081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37859585813ebbef289bfe6b3267d38584ec85169da39b88e4cbb188336f525e

Aliases

arxiv: 1909.10434 · arxiv_version: 1909.10434v1 · doi: 10.48550/arxiv.1909.10434 · pith_short_12: G6CZLBMBH256 · pith_short_16: G6CZLBMBH2566KE3 · pith_short_8: G6CZLBMB

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/G6CZLBMBH2566KE37ZVTEZ6TQW \
  | 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: 37859585813ebbef289bfe6b3267d38584ec85169da39b88e4cbb188336f525e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc966d1e21d1208d53701b115e5ecb324c9cae0e8b2c273f1823dcb38cf7bb7f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-23T15:46:17Z",
    "title_canon_sha256": "589d0e507f8c494e6d7fc451253ea6d6e56fadcce4fc4bb1cf0b1cae7c7da0a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.10434",
    "kind": "arxiv",
    "version": 1
  }
}