Pith Number

pith:GNKTXI54

pith:2003:GNKTXI54M7MGD5RJ6H55ZQDSYN

not attested not anchored not stored refs pending

Arakelian 564: An XMM-Newton view

2), 5) ((1) Department of Astronomy, A.C. Fabian (4), Astronomy, Astrophysics, Cambridge; (5) Department of Physics, C. Vignali (1, Garching, Germany; (4) Institute of Astronomy, Italy; (3) MPE, S. Vaughan (4, Th. Boller (3), The Pennsylvania State University, University of Leicester), University Park, USA; (2) INAF-Osservatorio Astronomico di Bologna, W.N. Brandt (1)

arxiv:astro-ph/0310278 v1 · 2003-10-09 · 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{GNKTXI54M7MGD5RJ6H55ZQDSYN}

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	2026-07-04T16:37:31.115809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33553ba3bc67d861f629f1fbdcc072c34d73df1b666387987940487414b73112

Aliases

arxiv: astro-ph/0310278 · arxiv_version: astro-ph/0310278v1 · doi: 10.48550/arxiv.astro-ph/0310278 · pith_short_12: GNKTXI54M7MG · pith_short_16: GNKTXI54M7MGD5RJ · pith_short_8: GNKTXI54

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/GNKTXI54M7MGD5RJ6H55ZQDSYN \
  | 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: 33553ba3bc67d861f629f1fbdcc072c34d73df1b666387987940487414b73112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9c71241ca989af7d28edacd43418be1b653c5bf85bcd86a7624b58d5403332f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-09T20:00:04Z",
    "title_canon_sha256": "6f12f52d27e2dc70e1d61ac65797a52c3e3c4aad807f613fed16b8969cd979d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310278",
    "kind": "arxiv",
    "version": 1
  }
}