Pith Number

pith:MH2R3KIA

pith:2016:MH2R3KIA4OTRTP2DMNQP34NTMV

not attested not anchored not stored refs pending

The challenging task of determining star formation rates: the case of a massive stellar burst in the brightest cluster galaxy of Phoenix galaxy cluster

Gustavo Bruzual, John T. Whelan, Michael McDonald, Rupal Mittal

arxiv:1611.02562 v2 · 2016-11-08 · 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{MH2R3KIA4OTRTP2DMNQP34NTMV}

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	2026-05-18T00:52:14.026734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61f51da900e3a719bf436360fdf1b36549a378c846e208b4fd1a903e2afe4543

Aliases

arxiv: 1611.02562 · arxiv_version: 1611.02562v2 · doi: 10.48550/arxiv.1611.02562 · pith_short_12: MH2R3KIA4OTR · pith_short_16: MH2R3KIA4OTRTP2D · pith_short_8: MH2R3KIA

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/MH2R3KIA4OTRTP2DMNQP34NTMV \
  | 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: 61f51da900e3a719bf436360fdf1b36549a378c846e208b4fd1a903e2afe4543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f15b8ecc637c89374e02a86be0407fec8cac01d166eac2cdfe3e98895125fa59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-08T15:42:27Z",
    "title_canon_sha256": "7a2a380780b2191b531661b2be509984a251a4526dab890c772aff2a96227723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02562",
    "kind": "arxiv",
    "version": 2
  }
}