Pith Number

pith:JKKNOFSA

pith:2021:JKKNOFSAFXXWKL53KR66SYYUMT

not attested not anchored not stored refs pending

Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron. V. Space and ground millimeter-VLBI imaging of OJ 287

Achamveedu Gopakumar, Alan P. Marscher, Alexander Pushkarev, Andrei Lobanov, Anne Lahteenmaki, Antonio Fuentes, Anton Zensus, Carolina Casadio, Eduardo Ros, Efthalia Traianou, Emmanouil Angelakis, Gabriele Bruni, Guang-Yao Zhao, Ilje Cho, Ioannis Myserlis, Jose L. G\'omez, Lankeswar Dey, Leonid Gurvits, Matthew L. Lister, Mauri J. Valtonen, Merja Tornikoski, Mikhail M. Lisakov, Petr A. Voitsik, Rocco Lico, Svetlana G. Jorstad, Thomas P. Krichbaum, Tuomas Savolainen, Uwe Bach, Yuri A. Kovalev, Yuri Y. Kovalev

arxiv:2111.11200 v2 · 2021-11-22 · 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{JKKNOFSAFXXWKL53KR66SYYUMT}

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	2026-07-05T03:49:43.408811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a94d716402def652fbb547de9631464c644f29d2b7a035efa4fe71041bcf602

Aliases

arxiv: 2111.11200 · arxiv_version: 2111.11200v2 · doi: 10.48550/arxiv.2111.11200 · pith_short_12: JKKNOFSAFXXW · pith_short_16: JKKNOFSAFXXWKL53 · pith_short_8: JKKNOFSA

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/JKKNOFSAFXXWKL53KR66SYYUMT \
  | 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: 4a94d716402def652fbb547de9631464c644f29d2b7a035efa4fe71041bcf602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e259747caf8046eb0a80b28d31429aaeed0948f579dbfe592c213513a27a06d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-11-22T13:44:30Z",
    "title_canon_sha256": "1793e2f8d8d8d7b6a73b5319a1f151c210fa2f2bef03eb80e17be5977317f71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11200",
    "kind": "arxiv",
    "version": 2
  }
}