Pith Number

pith:A434FNJU

pith:2013:A434FNJUPQIGKSTY3BYQE44H26

not attested not anchored not stored refs pending

Long-term optical polarization variability of the tev blazar 1es~1959+650

David Hiriart, Erika Ben\'itez, Ivan Agudo, Jochen Heidt, Jos\'e I. Cabrera, Jos\'e M. L\'opez, Kari Nilsson, Marco Sorcia, Michael Mommert, Ra\'ul M\'ujica

arxiv:1304.2819 v1 · 2013-04-10 · 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{A434FNJUPQIGKSTY3BYQE44H26}

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	2026-05-18T01:50:40.724727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0737c2b5347c10654a78d871027387d78e09086424b2bb148ddb0076404cf252

Aliases

arxiv: 1304.2819 · arxiv_version: 1304.2819v1 · doi: 10.48550/arxiv.1304.2819 · pith_short_12: A434FNJUPQIG · pith_short_16: A434FNJUPQIGKSTY · pith_short_8: A434FNJU

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/A434FNJUPQIGKSTY3BYQE44H26 \
  | 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: 0737c2b5347c10654a78d871027387d78e09086424b2bb148ddb0076404cf252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52603461899faebbea6eeb5489da83f944e7e4e21545b8723f0d022d83c5dfa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-10T00:48:54Z",
    "title_canon_sha256": "ab30e61e3e321895482bba9072bb8e0ee1e92bf72af777114b1412688a382de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2819",
    "kind": "arxiv",
    "version": 1
  }
}