Pith Number

pith:PL6FE7KJ

pith:2019:PL6FE7KJC42KZ6ICBBEAGCLTHT

not attested not anchored not stored refs pending

X-ray properties of two transient ULX candidates in galaxy NGC 7090

J.P. Osborne (University of Leicester), K.L. Page (University of Leicester), P.A. Evans (University of Leicester), P.T. O'Brien (University of Leicester), University of Leicester), Zhu Liu (NAOC

arxiv:1904.13044 v1 · 2019-04-30 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL6FE7KJC42KZ6ICBBEAGCLTHT}

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	2026-05-17T23:46:52.237960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7afc527d491734acf90208480309733cd379ad4f7de305a0afcca97d86fa466e

Aliases

arxiv: 1904.13044 · arxiv_version: 1904.13044v1 · doi: 10.48550/arxiv.1904.13044 · pith_short_12: PL6FE7KJC42K · pith_short_16: PL6FE7KJC42KZ6IC · pith_short_8: PL6FE7KJ

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/PL6FE7KJC42KZ6ICBBEAGCLTHT \
  | 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: 7afc527d491734acf90208480309733cd379ad4f7de305a0afcca97d86fa466e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce832b8acbeee78f4c5cea51c14f5458cb00f920d6896752d0b7e3e2019dbd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-30T04:13:04Z",
    "title_canon_sha256": "b9a75fbb0496b49af1505c36058bc8d323dd38c8d42ec38b1ae23c4ed709c694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13044",
    "kind": "arxiv",
    "version": 1
  }
}