Pith Number

pith:GKXHJQTH

pith:2013:GKXHJQTHAK3M3ZPB5VVB4DBVYM

not attested not anchored not stored refs pending

The ordinary life of the gamma-ray emitting narrow-line Seyfert 1 galaxy PKS 1502+036

A. C. S. Readhead (Cahill Center for Astronomy, A. Doi (ISAS, A. J. Drake (California Institute of Technology), Astrophysics), Bologna University), D. Dallacasa (Bologna University, F. D'Ammando (Dep. of Physics, INAF-IRA Bologna), JAXA), J. L. Richards (Dep. of Physics, M. Giroletti (INAF-IRA Bologna), M. Orienti (INAF-IRA Bologna, Purdue University), T. Hovatta (Cahill Center for Astronomy, Univ. of Perugia, W. Max-Moerbeck (Cahill Center for Astronomy

arxiv:1305.0572 v2 · 2013-05-02 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKXHJQTHAK3M3ZPB5VVB4DBVYM}

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	2026-05-18T01:50:13.003764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ae74c26702b6cde5e1ed6a1e0c35c338406860e1be03401298bbb2f6371cbe

Aliases

arxiv: 1305.0572 · arxiv_version: 1305.0572v2 · doi: 10.48550/arxiv.1305.0572 · pith_short_12: GKXHJQTHAK3M · pith_short_16: GKXHJQTHAK3M3ZPB · pith_short_8: GKXHJQTH

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/GKXHJQTHAK3M3ZPB5VVB4DBVYM \
  | 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: 32ae74c26702b6cde5e1ed6a1e0c35c338406860e1be03401298bbb2f6371cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "197297812e5267364f2f89f62bffcb5172999176c86f29248fdcc02d0f818e56",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-02T20:20:42Z",
    "title_canon_sha256": "89afc905b1199e1b6ac27185003f1a9144facb65dd1514ecaf39ec475488524c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0572",
    "kind": "arxiv",
    "version": 2
  }
}