Pith Number

pith:QYYQ5HR5

pith:2004:QYYQ5HR5NENPU2CDCEWZEUN4P7

not attested not anchored not stored refs pending

The soft X-ray excess AGN RE J2248-511

E. M. Puchnarewicz, E. Romero-Colmenero, R. L. C. Starling

arxiv:astro-ph/0403008 v1 · 2004-03-01 · 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{QYYQ5HR5NENPU2CDCEWZEUN4P7}

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	2026-05-18T00:59:51.065659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86310e9e3d691afa6843112d9251bc7ffb081112efffad2e83594b6a230ee494

Aliases

arxiv: astro-ph/0403008 · arxiv_version: astro-ph/0403008v1 · doi: 10.48550/arxiv.astro-ph/0403008 · pith_short_12: QYYQ5HR5NENP · pith_short_16: QYYQ5HR5NENPU2CD · pith_short_8: QYYQ5HR5

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/QYYQ5HR5NENPU2CDCEWZEUN4P7 \
  | 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: 86310e9e3d691afa6843112d9251bc7ffb081112efffad2e83594b6a230ee494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce1f06241c23ea3f3ebcc5e4ca7800a87b9f0c045beffc146a8bf7289038946",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-01T14:53:50Z",
    "title_canon_sha256": "2e978c76062edb50390b36c2aeaf0952b178fa3be5f4e83c5f96ca2d6362094c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403008",
    "kind": "arxiv",
    "version": 1
  }
}