Pith Number

pith:UNET3A5G

pith:2001:UNET3A5G3EOUR6CMMORD4KDRRL

not attested not anchored not stored refs pending

In-orbit performance of the XMM-Newton X-ray telescopes: images and spectra

B. Aschenbach

arxiv:astro-ph/0109375 v1 · 2001-09-21 · 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{UNET3A5G3EOUR6CMMORD4KDRRL}

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	2026-05-18T01:40:44.068205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3493d83a6d91d48f84c63a23e28718ada97bb014a28c7a775db498a7c550b20

Aliases

arxiv: astro-ph/0109375 · arxiv_version: astro-ph/0109375v1 · doi: 10.48550/arxiv.astro-ph/0109375 · pith_short_12: UNET3A5G3EOU · pith_short_16: UNET3A5G3EOUR6CM · pith_short_8: UNET3A5G

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/UNET3A5G3EOUR6CMMORD4KDRRL \
  | 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: a3493d83a6d91d48f84c63a23e28718ada97bb014a28c7a775db498a7c550b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3185b0d944125559cb09ab932fc9b44cbe6d1aa0624abf0178c15b6bd3d9427",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-21T10:00:05Z",
    "title_canon_sha256": "e175f7f37e1d420f395d5f97c7026b638e6ae348c7eb89d35d3e7b35f33b93e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109375",
    "kind": "arxiv",
    "version": 1
  }
}