Pith Number

pith:VOE4UCWZ

pith:2018:VOE4UCWZHFOEWPAESJ75ZKIDBX

not attested not anchored not stored refs pending

Nitrogen abundance in the X-ray halos of clusters and groups of galaxies

Ciro Pinto, F. Mernier, H. Akamatsu, Hong-Liang Yan, J. de Plaa, J. S. Kaastra, Junjie Mao, Liyi Gu, Yu-Ying Zhang

arxiv:1809.04870 v1 · 2018-09-13 · 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{VOE4UCWZHFOEWPAESJ75ZKIDBX}

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	2026-05-17T23:58:03.840611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab89ca0ad9395c4b3c04927fdca9030de1b35310b4aff6c113ec14c483a89650

Aliases

arxiv: 1809.04870 · arxiv_version: 1809.04870v1 · doi: 10.48550/arxiv.1809.04870 · pith_short_12: VOE4UCWZHFOE · pith_short_16: VOE4UCWZHFOEWPAE · pith_short_8: VOE4UCWZ

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/VOE4UCWZHFOEWPAESJ75ZKIDBX \
  | 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: ab89ca0ad9395c4b3c04927fdca9030de1b35310b4aff6c113ec14c483a89650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "292db6a284569d510abff4cadca43807d3d341354b856216575dacc2b4610746",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-13T10:16:43Z",
    "title_canon_sha256": "3802a83950070165c94ec332d5073bbbc47a715c39a2c60aa1f9d422c151542c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04870",
    "kind": "arxiv",
    "version": 1
  }
}