Pith Number

pith:22RTBPV7

pith:2019:22RTBPV7WCD3OPNJSMQ5WPPDWI

not attested not anchored not stored refs pending

The Dust and Molecular Gas in the Brightest Cluster Galaxy in MACS 1931.8-2635

Anton Koekemoer, Bodo Ziegler, Brenda Frye, Hauyu Baobab Liu, Helmut Dannerbauer, Kevin Fogarty, Marc Postman, Megan Donahue, Yuan Li

arxiv:1905.01377 v2 · 2019-05-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22RTBPV7WCD3OPNJSMQ5WPPDWI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:40:32.184664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a330bebfb087b73da99321db3de3b2292475f7a250d38f107db31e6cfa12d0

Aliases

arxiv: 1905.01377 · arxiv_version: 1905.01377v2 · doi: 10.48550/arxiv.1905.01377 · pith_short_12: 22RTBPV7WCD3 · pith_short_16: 22RTBPV7WCD3OPNJ · pith_short_8: 22RTBPV7

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/22RTBPV7WCD3OPNJSMQ5WPPDWI \
  | 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: d6a330bebfb087b73da99321db3de3b2292475f7a250d38f107db31e6cfa12d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41570881351d058fd70a505ff30114423dbf8d70fb0cf1c8b69393b42059e1b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-03T22:44:42Z",
    "title_canon_sha256": "ce8db7e997f5bd45ed8cd53a8477dbb7a750547f8ed41332543fb974f8ba5859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01377",
    "kind": "arxiv",
    "version": 2
  }
}