Pith Number

pith:VXUWA2OI

pith:2018:VXUWA2OIW3OMK7U5YXAMRQZVT7

not attested not anchored not stored refs pending

The X-Ray Luminosity Function of Ultra Luminous X-Ray Sources in Collisional Ring Galaxies

Anna Wolter, Antonella Fruscione, Michela Mapelli

arxiv:1806.02746 v1 · 2018-06-07 · 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{VXUWA2OIW3OMK7U5YXAMRQZVT7}

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	2026-05-18T00:08:06.538678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade96069c8b6dcc57e9dc5c0c8c3359fe90f86a992c6f72cacc1b87544eaab41

Aliases

arxiv: 1806.02746 · arxiv_version: 1806.02746v1 · doi: 10.48550/arxiv.1806.02746 · pith_short_12: VXUWA2OIW3OM · pith_short_16: VXUWA2OIW3OMK7U5 · pith_short_8: VXUWA2OI

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/VXUWA2OIW3OMK7U5YXAMRQZVT7 \
  | 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: ade96069c8b6dcc57e9dc5c0c8c3359fe90f86a992c6f72cacc1b87544eaab41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb16f310f5dc50170ab9b5bb52f8dc4582e8ae4a6551b2f407cf837c5d49f4a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-07T16:01:31Z",
    "title_canon_sha256": "9074101889e0b5b102e4f8e153190fd659c90be3a07ae8a5e8c91b09151db11e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02746",
    "kind": "arxiv",
    "version": 1
  }
}