Pith Number

pith:QSPGFIR7

pith:2013:QSPGFIR7CRW355WLPN5PCDYE7D

not attested not anchored not stored refs pending

The far emission region of the gamma-ray blazar PKS B1424-418

A. Stamerra, C. M. Urry, E. MacPherson, F. Tavecchio, I. Donnarumma, J. Isler, L. Pacciani

arxiv:1306.0734 v2 · 2013-06-04 · 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{QSPGFIR7CRW355WLPN5PCDYE7D}

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.

Cited by

1 paper in Pith

A Rare Gamma-ray Flaring episode of the Narrow-Line Seyfert 1 Galaxy 1H 0323+342

Receipt and verification

First computed	2026-05-18T01:49:33.093268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849e62a23f146dbef6cb7b7af10f04f8eeb6a8e1d03b4a6640f7a2a475b6bf99

Aliases

arxiv: 1306.0734 · arxiv_version: 1306.0734v2 · doi: 10.48550/arxiv.1306.0734 · pith_short_12: QSPGFIR7CRW3 · pith_short_16: QSPGFIR7CRW355WL · pith_short_8: QSPGFIR7

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/QSPGFIR7CRW355WLPN5PCDYE7D \
  | 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: 849e62a23f146dbef6cb7b7af10f04f8eeb6a8e1d03b4a6640f7a2a475b6bf99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56acf9565709e082f23a948c954868aea9ea5870e4c02193500b939a2359612b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-06-04T11:32:54Z",
    "title_canon_sha256": "50297257f747a019bb05ed737fa4fd7de41fc92c835ef42030e76ea10e510393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0734",
    "kind": "arxiv",
    "version": 2
  }
}