Pith Number

pith:OS6Q6IFI

pith:2022:OS6Q6IFIU3P3252L6UAGM4R572

not attested not anchored not stored refs pending

Hard X-ray emission in Centaurus A

A. Y. Lien, B. Rani, J. Y. Kim, M. A. Gurwell, R. Mushotzky, S. A. Mundo

arxiv:2205.07438 v1 · 2022-05-16 · 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{OS6Q6IFIU3P3252L6UAGM4R572}

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	2026-07-05T04:35:49.614691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74bd0f20a8a6dfbd774bf50066723dfe9a4ad4610f664d53cf0310533083397f

Aliases

arxiv: 2205.07438 · arxiv_version: 2205.07438v1 · doi: 10.48550/arxiv.2205.07438 · pith_short_12: OS6Q6IFIU3P3 · pith_short_16: OS6Q6IFIU3P3252L · pith_short_8: OS6Q6IFI

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/OS6Q6IFIU3P3252L6UAGM4R572 \
  | 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: 74bd0f20a8a6dfbd774bf50066723dfe9a4ad4610f664d53cf0310533083397f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc861cb49106d367877e7c229016155e6f2133ccb7f2e2ab39a3eb500c14531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-16T04:22:51Z",
    "title_canon_sha256": "6009005fe53eca207cf61df590cd028d1a38bb8f640bcd41fa62f4155402b3c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07438",
    "kind": "arxiv",
    "version": 1
  }
}