Pith Number

pith:PXW2XGXZ

pith:2016:PXW2XGXZKCDJR5MWNMYAT42DZF

not attested not anchored not stored refs pending

The awakening of the gamma-ray narrow-Line Seyfert 1 galaxy PKS 1502+036

A. C. S. Readhead (Cahill Center for Astronomy, Astronomy of the University of Bologna, Astrophysics), Departamento de Astronomia, F. D'Ammando (Department of Physics, INAF-IRA Bologna), J. Finke (U.S. Naval Research Laboratory), J. L. Richards (Department of Physics, M. Giroletti (INAF-IRA Bologna), M. Orienti (INAF-IRA Bologna), Purdue University), R. A. Reeves (CePIA, T. Hovatta (Aalto University Metsahovi Radio Observatory), T. J. Pearson (Cahill Center for Astronomy, Universidad de Concepcion), W. Max-Moerbeck (Max-Planck-Institut fur Radioastronomie)

arxiv:1609.04845 v1 · 2016-09-15 · 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{PXW2XGXZKCDJR5MWNMYAT42DZF}

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	2026-05-18T01:03:48.313981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dedab9af9508698f5966b3009f343c968b6751c3d0a7361c913b2d38163ddcf

Aliases

arxiv: 1609.04845 · arxiv_version: 1609.04845v1 · doi: 10.48550/arxiv.1609.04845 · pith_short_12: PXW2XGXZKCDJ · pith_short_16: PXW2XGXZKCDJR5MW · pith_short_8: PXW2XGXZ

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/PXW2XGXZKCDJR5MWNMYAT42DZF \
  | 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: 7dedab9af9508698f5966b3009f343c968b6751c3d0a7361c913b2d38163ddcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4e5d91d6eca77dbe2723c9e6e1673e120063a82a22f3d58189ed726ce25a43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-15T20:20:08Z",
    "title_canon_sha256": "eaf73e9c93448ab6c2ea8f8c7c104b23cd1d8f83d1c7d030df5a7b0bb03e099c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04845",
    "kind": "arxiv",
    "version": 1
  }
}