Pith Number

pith:3XXGL6OS

pith:2016:3XXGL6OSRHCCHAPF7MIKY52LQ2

not attested not anchored not stored refs pending

The Intrinsic Shape of Sagittarius A* at 3.5-mm Wavelength

Alfredo Monta\~na, Andrew A. Chael, Antonio Hern\'andez-G\'omez, David Hughes, David S\'anchez, Edgar Castillo, F. Peter Schloerb, Gisela N. Ortiz-Le\'on, Gopal Narayanan, Hotaka Shiokawa, Jason SooHoo, Jonathan Le\'on-Tavares, Katherine Rosenfeld, Laura Vertatschitsch, Laurent Loinard, Lindy Blackburn, Mark J. Reid, Michael D. Johnson, Ru-Sen Lu, Sheperd S. Doeleman, Vincent L. Fish, Zhi-Qiang Shen

arxiv:1601.06571 v2 · 2016-01-25 · astro-ph.GA · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XXGL6OSRHCCHAPF7MIKY52LQ2}

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	2026-05-18T01:12:30.103112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddee65f9d289c42381e5fb10ac774b86bdbeaa588e925d4fbaa270fbf545dec2

Aliases

arxiv: 1601.06571 · arxiv_version: 1601.06571v2 · doi: 10.48550/arxiv.1601.06571 · pith_short_12: 3XXGL6OSRHCC · pith_short_16: 3XXGL6OSRHCCHAPF · pith_short_8: 3XXGL6OS

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/3XXGL6OSRHCCHAPF7MIKY52LQ2 \
  | 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: ddee65f9d289c42381e5fb10ac774b86bdbeaa588e925d4fbaa270fbf545dec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28936316801092971c1d274bfbcc56300c9d47d6315f1c03cc8e128cfbf0599",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-25T12:03:45Z",
    "title_canon_sha256": "e93daf6a9e414f7a62ea1f8baadd7b6d8b5f17bd9bcaa724c38186520f82f7df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06571",
    "kind": "arxiv",
    "version": 2
  }
}