Pith Number

pith:UA5PMRQE

pith:2005:UA5PMRQE7CMU5YXI2FAOAPZWFM

not attested not anchored not stored refs pending

A search for Warm-Hot Intergalactic Medium features in the X-ray spectra of Mkn 421 with the XMM-Newton RGS

A.M.T. Pollock, F. Tavecchio, G. Ghisellini, G. Tagliaferri, M. Ravasio

arxiv:astro-ph/0502567 v2 · 2005-02-28 · 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{UA5PMRQE7CMU5YXI2FAOAPZWFM}

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	2026-07-04T16:50:54.258754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a03af64604f8994ee2e8d140e03f362b356de35601e5e8f8d78f63ee55657fc1

Aliases

arxiv: astro-ph/0502567 · arxiv_version: astro-ph/0502567v2 · doi: 10.48550/arxiv.astro-ph/0502567 · pith_short_12: UA5PMRQE7CMU · pith_short_16: UA5PMRQE7CMU5YXI · pith_short_8: UA5PMRQE

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/UA5PMRQE7CMU5YXI2FAOAPZWFM \
  | 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: a03af64604f8994ee2e8d140e03f362b356de35601e5e8f8d78f63ee55657fc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b10d108b6e962480a2e9f18bd3b3f4fbd8fe3b8d53922bca6aa161babb3a59",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-28T09:25:43Z",
    "title_canon_sha256": "ecbbe968de55c20584d1ab101785c8d1156fd6a56352d1abbaebdbdcfe204c9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502567",
    "kind": "arxiv",
    "version": 2
  }
}