Pith Number

pith:YJYMZ36U

pith:2015:YJYMZ36UIW76QSP2RZB7U77CH4

not attested not anchored not stored refs pending

X-ray spectral variability of Seyfert 2 galaxies

I. M\'arquez, J. Masegosa, L. Hern\'andez-Garc\'ia, O. Gonz\'alez-Mart\'in

arxiv:1505.01166 v3 · 2015-05-05 · astro-ph.GA · 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{YJYMZ36UIW76QSP2RZB7U77CH4}

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	2026-05-18T01:37:11.836869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c270ccefd445bfe849fa8e43fa7fe23f3c2f06201c732b34188e374b414e6025

Aliases

arxiv: 1505.01166 · arxiv_version: 1505.01166v3 · doi: 10.48550/arxiv.1505.01166 · pith_short_12: YJYMZ36UIW76 · pith_short_16: YJYMZ36UIW76QSP2 · pith_short_8: YJYMZ36U

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/YJYMZ36UIW76QSP2RZB7U77CH4 \
  | 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: c270ccefd445bfe849fa8e43fa7fe23f3c2f06201c732b34188e374b414e6025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c071599801f5b6f8fd76f502a50e340ee9cc3b3cd8c4ea26ddefe2596a12a948",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-05T20:01:27Z",
    "title_canon_sha256": "0ddecea4dca6fb819b2dbbe07f4f80e5550db66434499f788d15a273efaec4ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01166",
    "kind": "arxiv",
    "version": 3
  }
}