Pith Number

pith:YKGINSPS

pith:2013:YKGINSPSQDNGP3MZIS6SNTC2OP

not attested not anchored not stored refs pending

Multifrequency VLBI Observations of the Broad Absorption Line Quasar J1020+4320: Recently Restarted Jet Activity?

Akihiro Doi, Hideo Ogawa, Hideyuki Kobayashi, Hiroshi Nagai, Hiroshi Takeuchi, Katsunori M. Shibata, Keiichi Asada, Kenta Fujisawa, Kimihiro Kimura, Koichiro Sugiyama, Mareki Honma, Nanako Mochizuki, Shoko Koyama, Takaaki Jike, Takayuki J. Hayashi, Tomoaki Oyama, Yasuhiro Murata

arxiv:1301.4759 v1 · 2013-01-21 · astro-ph.HE · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKGINSPSQDNGP3MZIS6SNTC2OP}

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	2026-05-18T01:52:05.317011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c28c86c9f280da67ed9944bd26cc5a73d2e3e4b84f815d4bfe55039d5c222b63

Aliases

arxiv: 1301.4759 · arxiv_version: 1301.4759v1 · doi: 10.48550/arxiv.1301.4759 · pith_short_12: YKGINSPSQDNG · pith_short_16: YKGINSPSQDNGP3MZ · pith_short_8: YKGINSPS

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/YKGINSPSQDNGP3MZIS6SNTC2OP \
  | 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: c28c86c9f280da67ed9944bd26cc5a73d2e3e4b84f815d4bfe55039d5c222b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5233f89d13d2d415583d4c9fc0d345d9e56223b62a6ecff192ed0372fb2639a4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-21T05:32:43Z",
    "title_canon_sha256": "871fddae45a166d72365f912484fceb4ec982c39cf264e3ed8da66c839e73eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4759",
    "kind": "arxiv",
    "version": 1
  }
}