Pith Number

pith:VKUMYVWV

pith:2009:VKUMYVWVB5JPITRCLBH727RQZU

not attested not anchored not stored refs pending

XMM-Newton and INTEGRAL analysis of the Ophiuchus cluster of galaxies

D. Eckert, J. Kaastra, J. Nevalainen, K. Kettula, M. Bonamente

arxiv:0910.1364 v2 · 2009-10-08 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKUMYVWVB5JPITRCLBH727RQZU}

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	2026-05-18T02:11:25.680870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa8cc56d50f52f44e22584ffd7e30cd0ac8ea8273d48f126aa4c7a91284299f

Aliases

arxiv: 0910.1364 · arxiv_version: 0910.1364v2 · doi: 10.48550/arxiv.0910.1364 · pith_short_12: VKUMYVWVB5JP · pith_short_16: VKUMYVWVB5JPITRC · pith_short_8: VKUMYVWV

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/VKUMYVWVB5JPITRCLBH727RQZU \
  | 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: aaa8cc56d50f52f44e22584ffd7e30cd0ac8ea8273d48f126aa4c7a91284299f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c0113c525762d2b57a7e0af719d004d432ca44cac53c2e0ca51b8eef85b914",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-08T15:11:12Z",
    "title_canon_sha256": "99b4884cfbbef6fb2da34216e8fd320ae764413d03d0d5202578b46bafcaead0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1364",
    "kind": "arxiv",
    "version": 2
  }
}