Pith Number

pith:WTFZI4QK

pith:2013:WTFZI4QKP42OMGQKWNIBAKP2QU

not attested not anchored not stored refs pending

Discovery of a new TeV gamma-ray source: VER J0521+211

A. Bouvier, A. B. Pushkarev, A. Cesarini, A. Falcone, A. Furniss, A. McCann, A. N. Otte, A. O'Faolain de Bhroithe, A. Popkow, A. S Madhavan, A. Varlotta, A. Weinstein, A. W. Smith, B. Zitzer, D. A. Williams, D. B. Saxon, D. Gall, D. Hanna, D. Kieda, D. Staszak, E. Roache, F. Krennrich, G. Gyuk, G. H. Gillanders, G. H. Sembroski, G. Hughes, G. Maier, G. T. Richards, H. Krawczynski, H. Prokoph, I. Telezhinsky, J. Grube, J. H. Buckley, J. Holder, J. Liu, J. Millis, J. P. Finley, J. P. Halpern, J. Quinn, J. S. Perkins, K. Byrum, K. Ragan, L. Ciupik, L. C. Reyes, L. Fortson, M. Beilicke, M. Bottcher, M. Errando, M. J. Lang, M. Kertzman, M. L. Lister, M. P. Connolly, M. Pohl, M. Theiling, N. Galante, N. Park, P. Fortin, P. Kaaret, P. Majumdar, P. Moriarty, P. S. Smith, P. T. Reynolds, Q. Feng, R. A. Ong, R. Bird, R. Mukherjee, R. Welsing, S. Federici, S. Griffin, S. J. Fegan, S. Kumar, S. McArthur, S. P. Wakely, S. Vincent, T. Arlen, T. Aune, T. B. Humensky, T. C. Weekes, V. Bugaev, VERITAS Collaboration: S. Archambault, V. V. Vassiliev, W. Benbow, W. Cui, Y. Khassen, Y. Y. Kovalev

arxiv:1308.5017 v1 · 2013-08-22 · 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{WTFZI4QKP42OMGQKWNIBAKP2QU}

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	2026-05-18T03:11:32.916310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4cb94720a7f34e61a0ab3501029fa8505fee1c17bde15e75028e859d13a56f1

Aliases

arxiv: 1308.5017 · arxiv_version: 1308.5017v1 · doi: 10.48550/arxiv.1308.5017 · pith_short_12: WTFZI4QKP42O · pith_short_16: WTFZI4QKP42OMGQK · pith_short_8: WTFZI4QK

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/WTFZI4QKP42OMGQKWNIBAKP2QU \
  | 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: b4cb94720a7f34e61a0ab3501029fa8505fee1c17bde15e75028e859d13a56f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd981c0aaf365bfba24baadc7cb20490fec238ba4dcc32c8ee95099dd19bb52",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-22T23:28:28Z",
    "title_canon_sha256": "71e6089fc53da28fa6b065eb4897d851cdaf086fb633422ee328fe2cec9153e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5017",
    "kind": "arxiv",
    "version": 1
  }
}