Pith Number

pith:JA3DTKHI

pith:2015:JA3DTKHIOAOBJTT6JBFHYAWVIJ

not attested not anchored not stored refs pending

Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron. I. Imaging BL Lacertae at 21 microarcsecond resolution

Alan P. Marscher, Andrei P. Lobanov, Gabriele Bruni, James M. Anderson, Jos\'e L. G\'omez, Kirill V. Sokolovsky, Mikhail M. Lisakov, Nikolay S. Kardashev, Pablo Galindo, Svetlana G. Jorstad, Uwe Bach, Yosuke Mizuno, Yuri Y. Kovalev

arxiv:1512.04690 v1 · 2015-12-15 · 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{JA3DTKHIOAOBJTT6JBFHYAWVIJ}

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	2026-05-18T01:22:00.064653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

483639a8e8701c14ce7e484a7c02d54271ecaa6acdd10e3c4841921a0ffd4da1

Aliases

arxiv: 1512.04690 · arxiv_version: 1512.04690v1 · doi: 10.48550/arxiv.1512.04690 · pith_short_12: JA3DTKHIOAOB · pith_short_16: JA3DTKHIOAOBJTT6 · pith_short_8: JA3DTKHI

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/JA3DTKHIOAOBJTT6JBFHYAWVIJ \
  | 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: 483639a8e8701c14ce7e484a7c02d54271ecaa6acdd10e3c4841921a0ffd4da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e847ff3e2ad8e05d6e6dfc09fe4559d513670c5df0dd52abc45b0ee6d92aca14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-12-15T09:33:08Z",
    "title_canon_sha256": "b72605d92827aef14ab288ce223185a7047a6bc882b376e6b5bea2b8c8a78df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04690",
    "kind": "arxiv",
    "version": 1
  }
}