Pith Number

pith:NW5VPVXN

pith:2018:NW5VPVXNTYA5ZMLUGPH2VIF3U6

not attested not anchored not stored refs pending

Mass-invariance of the iron enrichment in the hot haloes of massive ellipticals, groups, and clusters of galaxies

Anton J. J. Raassen, Aurora Simionescu, Fran\c{c}ois Mernier, Igone Urdampilleta, Jelle de Plaa, Jelle S. Kaastra, Junjie Mao, Liyi Gu, Nhut Truong, Norbert Werner

arxiv:1803.06296 v2 · 2018-03-16 · 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{NW5VPVXNTYA5ZMLUGPH2VIF3U6}

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	2026-05-18T00:13:10.289353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbb57d6ed9e01dcb17433cfaaa0bba7a2b3de76ebf1bcec291e89092f491d9d

Aliases

arxiv: 1803.06296 · arxiv_version: 1803.06296v2 · doi: 10.48550/arxiv.1803.06296 · pith_short_12: NW5VPVXNTYA5 · pith_short_16: NW5VPVXNTYA5ZMLU · pith_short_8: NW5VPVXN

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/NW5VPVXNTYA5ZMLUGPH2VIF3U6 \
  | 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: 6dbb57d6ed9e01dcb17433cfaaa0bba7a2b3de76ebf1bcec291e89092f491d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a904f3ecc8147bb7b05038e639f30cea96b28edf0d3828c07c49ec5d4e2241ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-16T16:23:33Z",
    "title_canon_sha256": "8c701c3f3d95a19a9395bc5e179107f0e144af7260a3315fa0edb23b77f3db0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06296",
    "kind": "arxiv",
    "version": 2
  }
}