Pith Number

pith:S2ELAYDL

pith:2013:S2ELAYDLEPC66VVB6D7NTMCRVX

not attested not anchored not stored refs pending

A Study of the Long-term Spectral Variations of 3C 66A Observed with the Fermi and Kanata Telescopes

Akira Arai, Gino Tosti, Hiromitsu Takahashi, Hiroshi Akitaya, James Chiang, Jeremy S. Perkins, Katsuhiro Hayashi, Kiyoshi Sakimoto, Koji S. Kawabata, Luis C. Reyes, Mahito Sasada, Makoto Uemura, Masaaki Hayashida, Masanori Ohno, Masaru Kino, Masayuki Yamanaka, Michitoshi Yoshida, Ryosuke Itoh, Shuji Sato, Silvia Raino, Takahiro Ui, Takashi Ohsugi, Tomoyuki Komatsu, Tsunefumi Mizuno, Yasushi Fukazawa, Yasuyuki Tanaka, Yoshitaka Hanabata, Yuki Ikejiri

arxiv:1301.2664 v1 · 2013-01-12 · 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{S2ELAYDLEPC66VVB6D7NTMCRVX}

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	2026-05-18T01:52:13.061803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9688b0606b23c5ef56a1f0fed9b051addd4ad33aeea6d056e5150906460c5d20

Aliases

arxiv: 1301.2664 · arxiv_version: 1301.2664v1 · doi: 10.48550/arxiv.1301.2664 · pith_short_12: S2ELAYDLEPC6 · pith_short_16: S2ELAYDLEPC66VVB · pith_short_8: S2ELAYDL

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/S2ELAYDLEPC66VVB6D7NTMCRVX \
  | 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: 9688b0606b23c5ef56a1f0fed9b051addd4ad33aeea6d056e5150906460c5d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652e14af6f8600ce6c0f5dee74cbf4f9f4fbbe9548299d616014a929f5c9ab3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-12T08:07:15Z",
    "title_canon_sha256": "58cefbfc1cbe01e4b5e869df9c03a34502d5695dfa2cb2b86b7b2b85d285ecd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2664",
    "kind": "arxiv",
    "version": 1
  }
}