Pith Number

pith:4Q4F7CYQ

pith:2015:4Q4F7CYQVZUCD5N6BJEUV5TE6B

not attested not anchored not stored refs pending

A multi-wavelength polarimetric study of the blazar CTA 102 during a Gamma-ray flare in 2012

Alan P. Marscher, Andrea Di Paola, Anne L\"ahteenm\"aki, Arkady A. Arkharov, Brian Taylor, Carolina Casadio, Clemens Thum, Daria A. Morozova, Dmitry A. Blinov, Elena G. Larionova, Elizaveta Rastorgueva-Foi, Evgenia N. Kopatskaya, George A. Borman, Helmut Wiesemeyer, Iv\'an Agudo, Ivan S. Troitsky, Jos\'e L. G\'omez, Karen E. Williamson, Liudmila V. Larionova, Manasvita Joshi, Mark A. Gurwell, Merja Tornikoski, Paul S. Smith, Ryosuke Itoh, Sergey G. Sergeev, Sol N. Molina, Svetlana G. Jorstad, Tatiana S. Grishina, Valeri M. Larionov, Vishal Bala, Vladimir A. Hagen-Thorn

arxiv:1508.07254 v2 · 2015-08-28 · 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{4Q4F7CYQVZUCD5N6BJEUV5TE6B}

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	2026-05-18T01:28:03.319903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4385f8b10ae6821f5be0a494af664f063127278626c5431bef8a3af1d20e747

Aliases

arxiv: 1508.07254 · arxiv_version: 1508.07254v2 · doi: 10.48550/arxiv.1508.07254 · pith_short_12: 4Q4F7CYQVZUC · pith_short_16: 4Q4F7CYQVZUCD5N6 · pith_short_8: 4Q4F7CYQ

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/4Q4F7CYQVZUCD5N6BJEUV5TE6B \
  | 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: e4385f8b10ae6821f5be0a494af664f063127278626c5431bef8a3af1d20e747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8625efbf2b7e47112eb83fd51e899fbe26cd190463883a2a6c1ec13faf454b0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-08-28T16:00:57Z",
    "title_canon_sha256": "3da28d5fb7c3db78ca934f8fc7874347bb865c9dcccb0ed700d697a5e77f61d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07254",
    "kind": "arxiv",
    "version": 2
  }
}