Pith Number

pith:VNDGQ574

pith:2021:VNDGQ574V2426I4FILXLFATBH5

not attested not anchored not stored refs pending

The metal content of the hot atmospheres of galaxy groups

Aurora Simionescu, Fabio Gastaldello, Francois Mernier, Kosuke Sato, Kyoko Matsushita, Massimo Gaspari, Veronica Biffi

arxiv:2106.13258 v1 · 2021-06-24 · astro-ph.CO · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNDGQ574V2426I4FILXLFATBH5}

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	2026-07-05T02:52:17.569350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab466877fcaeb9af238542eeb282613f44e073eb9493f7c468400d574a580ee7

Aliases

arxiv: 2106.13258 · arxiv_version: 2106.13258v1 · doi: 10.48550/arxiv.2106.13258 · pith_short_12: VNDGQ574V242 · pith_short_16: VNDGQ574V2426I4F · pith_short_8: VNDGQ574

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/VNDGQ574V2426I4FILXLFATBH5 \
  | 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: ab466877fcaeb9af238542eeb282613f44e073eb9493f7c468400d574a580ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13350e8394d383022821ff13d8b4c635a317c2d9b6d1f2e7280e4cdfe811eaf6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-06-24T18:01:02Z",
    "title_canon_sha256": "4f5edb8da24e060c0c837effaff61836bfdfd278a3a6269960c216390fbb8f9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13258",
    "kind": "arxiv",
    "version": 1
  }
}