Pith Number

pith:BU2A6PW4

pith:2023:BU2A6PW4C4Q2MVVR7B65DIPXXY

not attested not anchored not stored refs pending

The peculiar variable X-ray spectrum of the active galactic nucleus PKS 2005-489

Andrea Gokus, Derek B. Fox, Felicia McBride, Haocheng Zhang, Matteo Lucchini, Owen Chase, Roopesh Ojha

arxiv:2303.15589 v1 · 2023-03-27 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU2A6PW4C4Q2MVVR7B65DIPXXY}

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	2026-07-05T06:06:16.455299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d340f3edc1721a656b1f87dd1a1f7be2481de50f61c7281f7a35cd99d01bcee

Aliases

arxiv: 2303.15589 · arxiv_version: 2303.15589v1 · doi: 10.48550/arxiv.2303.15589 · pith_short_12: BU2A6PW4C4Q2 · pith_short_16: BU2A6PW4C4Q2MVVR · pith_short_8: BU2A6PW4

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/BU2A6PW4C4Q2MVVR7B65DIPXXY \
  | 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: 0d340f3edc1721a656b1f87dd1a1f7be2481de50f61c7281f7a35cd99d01bcee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbcb6011b2381df7f22e7d98445027a5a30ee00abe537ba5162229d04b9b96e8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-27T20:42:37Z",
    "title_canon_sha256": "5071109f2a873c6a319d125757e5d7f957100bc897f0ae47d5325062a275db86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.15589",
    "kind": "arxiv",
    "version": 1
  }
}