Pith Number

pith:VYJQPV6E

pith:2017:VYJQPV6E4X5G7CJBLRXMEGQFCY

not attested not anchored not stored refs pending

Understanding the environment around the intermediate mass black hole candidate ESO 243-49 HLX-1

A. Detoeuf, A. Gu\'erou, Alister W. Graham, B. Ciambur, D. Barret, F. Combes, I. Schroetter, K. Wiersema, M. Coriat, M. Mrkalj, M. Servillat, N. A. Webb, O. Godet, T. Contini, T. J. Maccarone

arxiv:1704.04434 v1 · 2017-04-14 · astro-ph.HE · 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{VYJQPV6E4X5G7CJBLRXMEGQFCY}

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	2026-05-18T00:41:24.252781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae1307d7c4e5fa6f89215c6ec21a0516189b331a949aa32e408c205b1a735f3f

Aliases

arxiv: 1704.04434 · arxiv_version: 1704.04434v1 · doi: 10.48550/arxiv.1704.04434 · pith_short_12: VYJQPV6E4X5G · pith_short_16: VYJQPV6E4X5G7CJB · pith_short_8: VYJQPV6E

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/VYJQPV6E4X5G7CJBLRXMEGQFCY \
  | 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: ae1307d7c4e5fa6f89215c6ec21a0516189b331a949aa32e408c205b1a735f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a395374d4f8a64375d7da55058430fef78a96583a0eda60a4b07434cdb4bbcb8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-14T14:25:56Z",
    "title_canon_sha256": "fd141f10a43898803c323d891d7b4de9e5b870c0d4f6bc6c5fdf2b7324472883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04434",
    "kind": "arxiv",
    "version": 1
  }
}