Pith Number

pith:ZAWSDLYJ

pith:2005:ZAWSDLYJ3PTWQ3TEC7DNGMPKQ7

not attested not anchored not stored refs pending

XMM-Newton Observation of IC 310 in the Outer Region of the Perseus Cluster of Galaxies

K. Matsushita, K. Sato, M. Ishida, N. Y. Yamasaki, T. Furusho, T. Ohashi

arxiv:astro-ph/0509386 v4 · 2005-09-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAWSDLYJ3PTWQ3TEC7DNGMPKQ7}

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	2026-05-18T01:40:33.492140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82d21af09dbe7686e6417c6d331ea87eb4501a3de4fc878d66cef68b2f69f28

Aliases

arxiv: astro-ph/0509386 · arxiv_version: astro-ph/0509386v4 · doi: 10.48550/arxiv.astro-ph/0509386 · pith_short_12: ZAWSDLYJ3PTW · pith_short_16: ZAWSDLYJ3PTWQ3TE · pith_short_8: ZAWSDLYJ

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/ZAWSDLYJ3PTWQ3TEC7DNGMPKQ7 \
  | 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: c82d21af09dbe7686e6417c6d331ea87eb4501a3de4fc878d66cef68b2f69f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ace238c924b232c67e2a9145dc09eeb82fe48424b409fa5907f34804b8cba4b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-14T11:53:47Z",
    "title_canon_sha256": "c1e4c37bd9bf15d45885d9068b448437cfb89236ce70fd5cb584ed1a445e10a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509386",
    "kind": "arxiv",
    "version": 4
  }
}