Pith Number

pith:DKZPAFY6

pith:2010:DKZPAFY6NPRDA2D6BUJSCXXVXP

not attested not anchored not stored refs pending

1.3 mm Wavelength VLBI of Sagittarius A*: Detection of Time-Variable Emission on Event Horizon Scales

Alan E. E. Rogers, Christopher Beaudoin, Daniel L. Smythe, Daniel P. Marrone, David E. Bolin, David Woody, Geoffrey C. Bower, James Lamb, James M. Moran, Jason SooHoo, Jonathan Weintroub, Ken H. Young, Lucy M. Ziurys, Makoto Inoue, Mareki Honma, Mark A. Gurwell, Melvyn Wright, Michael Titus, Per Friberg, Peter Strittmatter, Ray Blundell, Remo P. J. Tilanus, Richard Chamberlin, Richard Plambeck, Robert Freund, Rurik Primiani, Sheperd S. Doeleman, Thomas P. Krichbaum, Tomoaki Oyama, Vincent L. Fish

arxiv:1011.2472 v1 · 2010-11-10 · 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{DKZPAFY6NPRDA2D6BUJSCXXVXP}

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	2026-05-18T02:04:49.178501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab2f0171e6be230687e0d13215ef5bbf0839ed1305c0e3d70855a22a83ad0bc

Aliases

arxiv: 1011.2472 · arxiv_version: 1011.2472v1 · doi: 10.48550/arxiv.1011.2472 · pith_short_12: DKZPAFY6NPRD · pith_short_16: DKZPAFY6NPRDA2D6 · pith_short_8: DKZPAFY6

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/DKZPAFY6NPRDA2D6BUJSCXXVXP \
  | 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: 1ab2f0171e6be230687e0d13215ef5bbf0839ed1305c0e3d70855a22a83ad0bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e83511702e1a48248470eec7437e1f074a240048f6ea91e74f508f4bd1dd1ed0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-11-10T19:51:26Z",
    "title_canon_sha256": "b79031e2873b1672873562d16945aee2cd1936d6cdf6452b1aa5ffbe31e2b1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2472",
    "kind": "arxiv",
    "version": 1
  }
}