Pith Number

pith:HEQMHDPB

pith:2011:HEQMHDPBJ4VJG4IKHRZRYF5H7L

not attested not anchored not stored refs pending

MAGIC discovery of VHE Emission from the FSRQ PKS 1222+21

A. Berdyugin, A. Biland, A. Boller, A. Ca\~nellas, A. Carosi, A. De Angelis, A. Diago Ortega, A. Dom\`inguez, A. Herrero, A. La Barbera, A. Moralejo, A. Saggion, A. Sillanp\"a\"a, A. Stamerra, A. Treves, B. Huber, B. Steinke, C. Fruck, C. Schultz, D. Bastieri, D. Borla Tridon, D. Dominis Prester, D. Dorner, D. Elsaesser, D. Ferenc, D. Garrido, D. Hadasch, D. H\"afner, D. Hildebrand, D. H\"ohne-M\"onch, D. Hrupec, D. Lelas, D. Nieto, D. Paneque, Dr. Barbara De Lotto, Dr. Carlos Delgado Mendez, Dr. Daniel Mazin, Dr. Javier Rico, Dr. Kari Nilsson, Dr. Massimo Persic, Dr. Miguel-Angel Perez-Torres, Dr. P. G. Prada Moroni, Dr. Thomas Bretz, D. Sobczynska, D. Tescaro, D. Wood, E. Bernardini, E. Carmona, E. Colombo, E. de Cea del Pozo, E. Leonardo, E. Lindfors, E. Lorenz, E. Prandini, F. Dazzi, F. Pauss, F. Prada, F. Spanier, F. Tavecchio, F. Zandanel, G. Bonnoli, G. Giavitto, G. Maneva, H. Miyamoto, H. Vankov, I. Braun, I. Oya, I. Puljak, I. Reichardt, J. Aleksi\'c, J. Barrio, J. Becerra Gonz\'alez, J. Contreras, J. Cortina, J. Hose, J. Krause, J. Miranda, J. Paredes, J. Pochon, J. Sitarek, J. Storz, K. Berger, K. Mannheim, K. Satalecka, L. Antonelli, L. Cossio, L. Font, L. Maraschi, L. Peruzzo, L. Takalo, Marc Rib\'o, M. Backes, M. Doert, M. Doro, M. Fonseca, M. Garczarczyk, M. L\'opez, M. Makariev, M. Mariotti, M. Mart\'inez, M. Meucci, M. Pasanen, M. Perez-Torres, M. Pilia, Mr. Javier Mold\'on, Mr. Koji Saito, M. Salvati, M. Shayduk, M. Teshima, M. Thom, N. Godinovi\'c, N. Mankuzhiyil, N. Strah, O. Blanch, O. Tibolla, P. Antoranz, P. Colin, P. Temnikov, P. Vogler, Q. Weitzel, R. Bock, R. Garc\`ia L\`opez, R. Mirzoyan, R. Orito, R. Paoletti, R. Reinthal, R. Wagner, R. Zanin (the MAGIC collaboration), S. Buson, S. Covino, S. Klepser, S. Lombardi, S. Pardo, S. Partini, S. R\"ugamer, S. Shore, S. Spiro, T. Jogler, T. Krahenbuhl, T. Saito, T. Schweizer, T. Suri\'c, T. Terzi\'c, V. Scalzotto, V. Scapin, V. Zabalza, W. Bednarek, W. Rhode, Y. Tanaka

arxiv:1101.4645 v2 · 2011-01-24 · 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{HEQMHDPBJ4VJG4IKHRZRYF5H7L}

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	2026-05-18T04:27:26.354181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3920c38de14f2a93710a3c731c17a7fad369bd46c392b24fec75c3f571b52ab9

Aliases

arxiv: 1101.4645 · arxiv_version: 1101.4645v2 · doi: 10.48550/arxiv.1101.4645 · pith_short_12: HEQMHDPBJ4VJ · pith_short_16: HEQMHDPBJ4VJG4IK · pith_short_8: HEQMHDPB

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/HEQMHDPBJ4VJG4IKHRZRYF5H7L \
  | 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: 3920c38de14f2a93710a3c731c17a7fad369bd46c392b24fec75c3f571b52ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "babb3bd4ab40b45a16e48cce9ec58e56861dce65e889918b33e128e5e04d5200",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-24T20:51:14Z",
    "title_canon_sha256": "8c8065f70de6d3c7969e520da1e2e4dfee63d93cd7d33a4d0cd6777e580977b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4645",
    "kind": "arxiv",
    "version": 2
  }
}