Pith Number

pith:APKZELLO

pith:2019:APKZELLOL64CNC2IDWMKSZQBRR

not attested not anchored not stored refs pending

On the contribution of ULXs to stellar feedback: an intermediate mass black hole candidate and the population of ULXs in the low-metallicity starburst galaxy ESO 338-4

Angela Adamo, Arjan Bik, Felix Fuerst, Goeran Oestlin, Hector Oti-Floranes, J. Miguel Mas-Hesse, Lidia M. Oskinova, Matthew Hayes

arxiv:1903.05142 v2 · 2019-03-12 · 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{APKZELLOL64CNC2IDWMKSZQBRR}

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	2026-05-17T23:41:42.744802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d5922d6e5fb8268b481d98a966018c5116641664479e4bbb6d6e9394b5b2e8

Aliases

arxiv: 1903.05142 · arxiv_version: 1903.05142v2 · doi: 10.48550/arxiv.1903.05142 · pith_short_12: APKZELLOL64C · pith_short_16: APKZELLOL64CNC2I · pith_short_8: APKZELLO

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/APKZELLOL64CNC2IDWMKSZQBRR \
  | 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: 03d5922d6e5fb8268b481d98a966018c5116641664479e4bbb6d6e9394b5b2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98e87cc3dab32cb784e17f0097ce15d076f11602480e8fa4abcd430e83aa9d2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-12T18:47:26Z",
    "title_canon_sha256": "295551e12ac79fd6a96f633fd138260ecb5ff644c1ede97db8cb051c9893072b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05142",
    "kind": "arxiv",
    "version": 2
  }
}