Pith Number

pith:EENA3AZF

pith:2011:EENA3AZFR5WHCWQFUP4WZNZZY2

not attested not anchored not stored refs pending

The remarkable gamma-ray activity in the gravitationally lensed blazar PKS 1830-211

A. Bulgarelli, A. De Rosa, A. Giuliani, A. Pellizzoni, A. Trois, A. W. Chen, C. Pittori, E. Costa, E. Del Monte, E. Kuulkers, E. Striani, F. Fuschino, F. Gianotti, F. Lazzarotto, F. Longo, F. Lucarelli, F. Verrecchia, G. Barbiellini, G. Piano, G. Pucella, H. R. Miller, I. Donnarumma, J. Eggen, J. Maune, L. C. Popovic, L. Pacciani, M. Feroci, M. Giusti, M. Tavani, M. Trifoglio, P. Giommi, P. Soffitta, P. W. Cattaneo, S. Simic, S. Vercellone, V. Vittorini, Y. Evangelista

arxiv:1106.4224 v1 · 2011-06-21 · 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{EENA3AZFR5WHCWQFUP4WZNZZY2}

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	2026-05-18T02:01:32.377842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

211a0d83258f6c715a05a3f96cb739c68f56431b6ae3901a1582def7dd7a37d5

Aliases

arxiv: 1106.4224 · arxiv_version: 1106.4224v1 · doi: 10.48550/arxiv.1106.4224 · pith_short_12: EENA3AZFR5WH · pith_short_16: EENA3AZFR5WHCWQF · pith_short_8: EENA3AZF

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/EENA3AZFR5WHCWQFUP4WZNZZY2 \
  | 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: 211a0d83258f6c715a05a3f96cb739c68f56431b6ae3901a1582def7dd7a37d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "729070c19b894c5698bf5f29da430d0fd9dd95abacddb3ea6923ac3ab59d9745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-21T15:04:12Z",
    "title_canon_sha256": "d8d37d87345fea2e0611408d2a74724a0d01f5bcca2d136292e161095e3097c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4224",
    "kind": "arxiv",
    "version": 1
  }
}