Pith Number

pith:3VR5H75E

pith:2018:3VR5H75EAOWLKSZDZF2CYEE4C4

not attested not anchored not stored refs pending

Exploring the spectral variability of the Seyfert 1.5 galaxy Markarian 530 with Suzaku

A. G. Gonzalez, H. J. S. Ehler, L. C. Gallo

arxiv:1805.06742 v1 · 2018-05-17 · 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{3VR5H75EAOWLKSZDZF2CYEE4C4}

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	2026-05-18T00:14:07.409784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd63d3ffa403acb54b23c9742c109c1715a8fc0bd84dd2874ec9ba2371d1556f

Aliases

arxiv: 1805.06742 · arxiv_version: 1805.06742v1 · doi: 10.48550/arxiv.1805.06742 · pith_short_12: 3VR5H75EAOWL · pith_short_16: 3VR5H75EAOWLKSZD · pith_short_8: 3VR5H75E

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/3VR5H75EAOWLKSZDZF2CYEE4C4 \
  | 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: dd63d3ffa403acb54b23c9742c109c1715a8fc0bd84dd2874ec9ba2371d1556f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a079d1a1fe5360c74af5bb0ed1fd7f23e945c827c16cf30a2ba2db71ab0dc58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-17T13:05:27Z",
    "title_canon_sha256": "1820788c3935aeec182284f3e9baf9c5236751aa699855891932f823ba3734c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06742",
    "kind": "arxiv",
    "version": 1
  }
}