Pith Number

pith:243KGDRF

pith:2018:243KGDRFHAO22MGIY7NKS2EM7Q

not attested not anchored not stored refs pending

The two Ultraluminous X-ray sources in the galaxy NGC 925

A. Wolter, F. Pintore, G. L. Israel, G. Rodr\'iguez, G. Trinchieri, L. Zampieri, P. Esposito, P. Ochner, S. Mereghetti, S. Paiano

arxiv:1806.11444 v1 · 2018-06-29 · 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{243KGDRFHAO22MGIY7NKS2EM7Q}

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	2026-05-18T00:10:36.881414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d736a30e25381dad30c8c7daa9688cfc2284ad06e307dc7c25be021886a2c01c

Aliases

arxiv: 1806.11444 · arxiv_version: 1806.11444v1 · doi: 10.48550/arxiv.1806.11444 · pith_short_12: 243KGDRFHAO2 · pith_short_16: 243KGDRFHAO22MGI · pith_short_8: 243KGDRF

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/243KGDRFHAO22MGIY7NKS2EM7Q \
  | 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: d736a30e25381dad30c8c7daa9688cfc2284ad06e307dc7c25be021886a2c01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b6afe159e5a0ab2b05f6ca1295ef4c0b42f9ff9ec1593e22c648ad13ca5c4c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-29T14:37:08Z",
    "title_canon_sha256": "2a039425df2cb9e111217f0c00db931f56d8b6d065c5436c8d8cd24a05c2154a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11444",
    "kind": "arxiv",
    "version": 1
  }
}