Pith Number

pith:2AC2Y6I3

pith:2013:2AC2Y6I3QRQ2EEIFACFKYP2SYD

not attested not anchored not stored refs pending

The First Pulse of the Extremely Bright GRB 130427A: A Test Lab for Synchrotron Shocks

A. C. Collazzi, A. Chekhtman, A. De Angelis, A. Diekmann, A. Drlica-Wagner, A. Franckowiak, A. Goldstein, A. J. van der Horst, A. K. Harding, A. Morselli, A. Okumura, A. Reimer, A. Sartori, A. Schulz, A. von Kienlin, B. L. Winer, C. Cecchi, C. D. Dermer, C. Favuzzi, C. Kouveliotou, C. Meegan, C. Sgr\`o, C. Wilson-Hodge, D. Bastieri, D. Byrne, D. F. Torres, D. Gruber, D. Hadasch, D. J. Suson, D. Kocevski, D. Paneque, D. Tierney, E. Bissaldi, E. Bonamente, E. Charles, E. J. Siskind, E. Moretti, E. Nuss, E. Troja, F. D'Ammando, F. de Palma, F. Gargano, F. Giordano, F. Longo, F. Loparco, F. Piron, F. Ryde, G. A. Caliandro, G. Barbiellini, G. Chiaro, G. Fitzpatrick, G. Godfrey, G. J\'oannesson, G. Pivato, G. Spandre, G. Tosti, G. Vianello, G. Younes, H.-F. Yu, H. Tajima, H. Takahashi, I. A. Grenier, J. Bregeon, J. B. Thayer, J. Chiang, J. Cohen-Tanugi, J. Conrad, J. D. Scargle, J. Granot, J. Greiner, J. G. Thayer, J. Kn\"odlseder, J. Lande, J. Larsson, J. L. Racusin, J. Michael Burgess, J. S. Perkins, J. Vandenbroucke, K. S. Wood, L. Baldini, L. Di Venere, L. Latronico, L. R. Cominsky, L. Tibaldo, M. Ackermann, M. Ajello, M. Axelsson, M. Brigida, M. E. Monzani, M. G. Baring, M. Gibby, M. Giles, M. Giroletti, M. Hayashida, M. Kuss, M. Mayer, M. N. Lovellette, M. N. Mazziotta, M. Ohno, M. Orienti, M. Pesce-Rollins, M. Razzano, M. Roth, M. S. Briggs, M. Tinivella, M. Werner, N. Gehrels, N. Giglietto, N. Omodei, O. Reimer, P. A. Caraveo, P. Bruel, P. F. Michelson, P. Fusco, P. Jenke, P. Lubrano, P. N. Bhat, P. S. Drell, P. Spinelli, R. A. Cameron, R. Bellazzini, R. Buehler, R. Claus, R. Desiante, R. M. Kippen, R. Nemmen, R. Preece, R. Rando, S. Buson, S. Ciprini, S. Foley, S. Germani, S. Guiriec, S. Iyyani, S. Larsson, S. McBreen, S. Murgia, S. Rain\`o, S. Razzaque, S. Ritz, S. W. Digel, S. Xiong, S. Zhu, T. A. Porter, T. Jogler, T. Kawano, T. L. Usher, T. Mizuno, T. Nymark, T. Ohsugi, V. Chaplin, V. Connaughton, V. Pelassa, V. Vasileiou, V. Vitale, W. Cleveland, W. S. Paciesas, Y. Fukazawa, Y. Hanabata

arxiv:1311.5581 v1 · 2013-11-21 · 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{2AC2Y6I3QRQ2EEIFACFKYP2SYD}

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	2026-05-18T03:06:23.840975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d005ac791b8461a21105008aac3f52c0f7edc88db7318c3fd05a0d400dbc1a65

Aliases

arxiv: 1311.5581 · arxiv_version: 1311.5581v1 · doi: 10.48550/arxiv.1311.5581 · pith_short_12: 2AC2Y6I3QRQ2 · pith_short_16: 2AC2Y6I3QRQ2EEIF · pith_short_8: 2AC2Y6I3

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/2AC2Y6I3QRQ2EEIFACFKYP2SYD \
  | 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: d005ac791b8461a21105008aac3f52c0f7edc88db7318c3fd05a0d400dbc1a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcbd0b1f33ce1140f68b214870d3c29b61e0dc7a5a04174c8dc05102cfc576e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-21T21:06:19Z",
    "title_canon_sha256": "7d5d39aa050ac8240e78e5194489b400f8daca0ef0228936fdcf04f67d34b055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5581",
    "kind": "arxiv",
    "version": 1
  }
}