Pith Number

pith:7M5SMB7T

pith:2012:7M5SMB7T5VKYGVK7CEZQWCTA45

not attested not anchored not stored refs pending

SBS 0846+513: a new gamma-ray emitting Narrow-Line Seyfert 1 galaxy

A. C. S. Readhead (Cahill Center for Astronomy, Astronomical Observatory, Astrophysics), CIFS), C. M. Raiteri (INAF-OATo), CRESST), D. Donato (Univ. of Maryland, E. Angelakis (MPIfR), F. D'Ammando (Dip. di Fisica, INAF-IRA, INAF-IRA), Jagiellonian University), J. Finke (U. S. Naval Research Laboratory), J. L. Richards (Dep. of Physics, J. S. Perkins (Univ. of Maryland, L. Fuhrmann (MPIfR), L. Stawarz (JAXA, M. Giroletti (INAF-IRA), M. Orienti (Dip. di Astronomia, Purdue University), T. Hovatta (Cahill Center for Astronomy, Univ. Bologna, Univ. Perugia, W. Max-Moerbeck (Cahill Center for Astronomy

arxiv:1207.3092 v1 · 2012-07-12 · 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{7M5SMB7T5VKYGVK7CEZQWCTA45}

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	2026-05-18T01:56:24.174437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb3b2607f3ed5583555f11330b0a60e74e839c5219f4fb46755efe3ad21f8cd7

Aliases

arxiv: 1207.3092 · arxiv_version: 1207.3092v1 · doi: 10.48550/arxiv.1207.3092 · pith_short_12: 7M5SMB7T5VKY · pith_short_16: 7M5SMB7T5VKYGVK7 · pith_short_8: 7M5SMB7T

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/7M5SMB7T5VKYGVK7CEZQWCTA45 \
  | 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: fb3b2607f3ed5583555f11330b0a60e74e839c5219f4fb46755efe3ad21f8cd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dffb4ed04b14b23b1606fa79e3835864f5d084113ec5cd4a213f70e798d8e2de",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-12T20:13:47Z",
    "title_canon_sha256": "890400a74875ac3137eaa4a97a68cfae5e5af21dec38eb51829d831b01da1fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3092",
    "kind": "arxiv",
    "version": 1
  }
}