Pith Number

pith:2DZAIVJS

pith:2025:2DZAIVJSPIPO7LDA6XT5MTEBFY

not attested not anchored not stored refs pending

The SRG/eROSITA All-Sky Survey: A comprehensive X-ray analysis of the Hydra I galaxy cluster

Alpish Srivastava, Angie Veronica, Fiona Knies, Florian Pacaud, Jakob Dietl, Manami Sasaki, Thomas H. Reiprich

arxiv:2512.00518 v2 · 2025-11-29 · astro-ph.CO · 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{2DZAIVJSPIPO7LDA6XT5MTEBFY}

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	2026-06-29T01:14:26.830468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f20455327a1eefac60f5e7d64c812e266412e158dc862f30d8b7a01e5d45f9

Aliases

arxiv: 2512.00518 · arxiv_version: 2512.00518v2 · doi: 10.48550/arxiv.2512.00518 · pith_short_12: 2DZAIVJSPIPO · pith_short_16: 2DZAIVJSPIPO7LDA · pith_short_8: 2DZAIVJS

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/2DZAIVJSPIPO7LDA6XT5MTEBFY \
  | 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: d0f20455327a1eefac60f5e7d64c812e266412e158dc862f30d8b7a01e5d45f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7701aa156261034f88ee7d29dc6724eb3f7794e06cd52fe1f254472c14cda3e4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-11-29T15:23:46Z",
    "title_canon_sha256": "a8aa52f95d46b7fd8f4da6110b1d47f67f82b73d0960f6c6115281289a1c18bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.00518",
    "kind": "arxiv",
    "version": 2
  }
}