Pith Number

pith:MHUJFYGD

pith:2004:MHUJFYGDJOIGN3IGW4WAKSIG3D

not attested not anchored not stored refs pending

XMM-Newton spectroscopy of an X-ray selected sample of RL AGNs

A. Caccianiga, E. Galbiati, H. Brunner, I. Lehmann, M.J. Page, P. Severgnini, R. Della Ceca, T. Maccacaro, V. Braito

arxiv:astro-ph/0410432 v1 · 2004-10-19 · 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{MHUJFYGDJOIGN3IGW4WAKSIG3D}

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	2026-07-04T16:45:00.078731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61e892e0c34b9066ed06b72c054906d8fb373174494e29030e88de2901304b4e

Aliases

arxiv: astro-ph/0410432 · arxiv_version: astro-ph/0410432v1 · doi: 10.48550/arxiv.astro-ph/0410432 · pith_short_12: MHUJFYGDJOIG · pith_short_16: MHUJFYGDJOIGN3IG · pith_short_8: MHUJFYGD

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/MHUJFYGDJOIGN3IGW4WAKSIG3D \
  | 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: 61e892e0c34b9066ed06b72c054906d8fb373174494e29030e88de2901304b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ef186892e1cb34c6b7e241fde5c8992022e2e149d3a02cdc897e0c77f3abf7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-19T10:58:26Z",
    "title_canon_sha256": "61524e76f80f582bfd85179360a188c66c4e26256bd305635a50c6e93e3b048f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410432",
    "kind": "arxiv",
    "version": 1
  }
}