Pith Number

pith:BPUGUEDB

pith:2019:BPUGUEDBE7M5MG7ZMTNN6TCX3J

not attested not anchored not stored refs pending

Ionising the Intergalactic Medium by Star Clusters: The first empirical evidence

A. Comastri, A. Mercurio, C. Grillo, E. Sani, E. Vanzella, F. Calura, G.B. Caminha, G. Cupani, K.Caputi, M. Castellano, M. Giavalisco, M. Meneghetti, M. Mignoli, M. Nonino, P. Rosati, R. Gilli, S. Cristiani

arxiv:1904.07941 v3 · 2019-04-16 · 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{BPUGUEDBE7M5MG7ZMTNN6TCX3J}

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.

Cited by

1 paper in Pith

Deep Spectroscopic Follow-Up of Maisie's Galaxy -- A Typical Galaxy in the Early Universe

Receipt and verification

First computed	2026-07-05T00:02:58.055546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be86a106127d9d61bf964dadf4c57da5167c2b2ed82b6319be913e692aa9e4d

Aliases

arxiv: 1904.07941 · arxiv_version: 1904.07941v3 · doi: 10.48550/arxiv.1904.07941 · pith_short_12: BPUGUEDBE7M5 · pith_short_16: BPUGUEDBE7M5MG7Z · pith_short_8: BPUGUEDB

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/BPUGUEDBE7M5MG7ZMTNN6TCX3J \
  | 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: 0be86a106127d9d61bf964dadf4c57da5167c2b2ed82b6319be913e692aa9e4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de81402c0cb57e1718fcf564eace099a3747ceb5a9236a11b536615bfbf72b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-16T19:30:49Z",
    "title_canon_sha256": "6a75c347e906f939ea381a9b108b1bdce3ac8c0bdb6dc9b8109dda5648571df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07941",
    "kind": "arxiv",
    "version": 3
  }
}