Pith Number

pith:X6IC4AE3

pith:2006:X6IC4AE3VJRIMYR6XGRGV7ROUB

not attested not anchored not stored refs pending

Chandra and XMM-Newton Observations of a Group of Galaxies HCG 62

(2) ISAS/JAXA, (3) RIKEN, (4) Hiroshima University), Naomi Kawano (4), Naomi Ota (3), Noriko Y. Yamasaki (2), Takaya Ohashi (1) ((1) Department of Physics, Tokyo Metropolitan University, Umeyo Morita (1), Yasushi Fukazawa (4), Yoshitaka Ishisaki (1)

arxiv:astro-ph/0607159 v1 · 2006-07-08 · 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{X6IC4AE3VJRIMYR6XGRGV7ROUB}

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	2026-05-18T01:40:30.093102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf902e009baa6286623eb9a26afe2ea042b1e5a1f5e0ab1ff6f12a09c3abfaf7

Aliases

arxiv: astro-ph/0607159 · arxiv_version: astro-ph/0607159v1 · doi: 10.48550/arxiv.astro-ph/0607159 · pith_short_12: X6IC4AE3VJRI · pith_short_16: X6IC4AE3VJRIMYR6 · pith_short_8: X6IC4AE3

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/X6IC4AE3VJRIMYR6XGRGV7ROUB \
  | 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: bf902e009baa6286623eb9a26afe2ea042b1e5a1f5e0ab1ff6f12a09c3abfaf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1511bcf595c1374f86e17025a59d55515bc19917baf7d79ef9781744c62908b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-08T08:57:00Z",
    "title_canon_sha256": "dabe943ee01f2a557eee494b959d8ad78016d05194dabf2dea92e80bee5b5847"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607159",
    "kind": "arxiv",
    "version": 1
  }
}