Pith Number

pith:WF7T2VSF

pith:2012:WF7T2VSFDFGO2EGE2Y4OMVYYI7

not attested not anchored not stored refs pending

Variability of the blazar 4C 38.41 (B3 1633+382) from GHz frequencies to GeV energies

A. A. Arkharov, A. Berdyugin, A. Bueno, A. Di Paola, A. E. Wehrle, A. I. Gonz\'ale, A. L\"ahteenm\"aki, A. P. Marscher, A. Sillanp\"a\"a, A. T. Valcheva, B. Taylor, C. Casadio, C. M. Raiteri, C. S. Buemi, C. Thum, C. Trigilio, D. A. Blinov, D. A. Morozova, D. Carosati, D. Hiriart, D. O. Mirzaqulov, E. Ben\'itez, E. G. Larionova, E. Koptelova, E. Lindfors, E. N. Kopatskaya, E. P. Ovcharov, F. D'Ammando, G. M. Richter, G. Umana, H. C. Lin, H. D. Aller, I. Agudo, I. M. McHardy, I. Puerto-Gimenez, I. S. Troitsky, J. A. Acosta-Pulido, J. A. Ros, J. Heidt, J. Le\'on-Tavares, J. L. G\'omez, J. Tammi, K. Blumenthal, K. Nilsson, L. O. Takalo, L. V. Larionova, M. A. Gurwell, M. Dolci, M. F. Aller, M. G. Nikolashvili, M. I. Carnerero, M. J. Ar\'evalo, M. Joshi, M. Pasanen, M. Tornikoski, M. Villata, N. Panwar, N. Smith, N. V. Efimova, O. M. Kurtanidze, P. Leto, P. S. Smith, R. D. Schwartz, R. Mujica, R. Reinthal, S. G. Jorstad, Sh. A. Ehgamberdiev, Sh. Holikov, S. N. Molina, S. O. Kurtanidze, T. M. Carleton, T. Sakamoto, T. S. Konstantinova, U. Bach, V. A. Hagen-Thorn, V. M. Larionov, W. P. Chen

arxiv:1207.3979 v1 · 2012-07-17 · 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{WF7T2VSFDFGO2EGE2Y4OMVYYI7}

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	2026-05-18T01:56:17.508506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b17f3d5645194ced10c4d638e6571847d4f1f23b8780b2b1f0e21c688409e7ca

Aliases

arxiv: 1207.3979 · arxiv_version: 1207.3979v1 · doi: 10.48550/arxiv.1207.3979 · pith_short_12: WF7T2VSFDFGO · pith_short_16: WF7T2VSFDFGO2EGE · pith_short_8: WF7T2VSF

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/WF7T2VSFDFGO2EGE2Y4OMVYYI7 \
  | 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: b17f3d5645194ced10c4d638e6571847d4f1f23b8780b2b1f0e21c688409e7ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f74bb783a4975be774fc35b5e6fa26604f379f0bc6f4bb6e1c5ee55980f0a2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-17T12:58:43Z",
    "title_canon_sha256": "429341d040f7df4770819a0ac781f55a7d455a63896cbfe20661e7725da325df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3979",
    "kind": "arxiv",
    "version": 1
  }
}