Pith Number

pith:AB2I6OJE

pith:2015:AB2I6OJENDPZ5LP2JLAZYNWMSK

not attested not anchored not stored refs pending

The East-Asian VLBI Network

Bo Xia, Duk-Gyoo Roh, Hideyuki Kobayashi, Jongsoo Kim, Kenta Fujisawa, Kiyoaki Wajima, Longfei Hao, Ming Zhang, Min Wang, Noriyuki Kawaguchi, Se-Jin Oh, Taehyun Jung, Tao An, Willem A. Baan, Wu Jiang, Yoshiaki Hagiwara, Yuanwei Wu

arxiv:1512.03550 v1 · 2015-12-11 · 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{AB2I6OJENDPZ5LP2JLAZYNWMSK}

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.

Cited by

1 paper in Pith

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Receipt and verification

First computed	2026-05-18T01:24:32.119683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00748f392468df9eadfa4ac19c36cc928b41c7ecaa482bca89580447b95b8a4c

Aliases

arxiv: 1512.03550 · arxiv_version: 1512.03550v1 · doi: 10.48550/arxiv.1512.03550 · pith_short_12: AB2I6OJENDPZ · pith_short_16: AB2I6OJENDPZ5LP2 · pith_short_8: AB2I6OJE

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/AB2I6OJENDPZ5LP2JLAZYNWMSK \
  | 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: 00748f392468df9eadfa4ac19c36cc928b41c7ecaa482bca89580447b95b8a4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25ce78e9431f56fd396086fc328d287b83263d1f058e6b03d8f4a83f09288dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-11T08:45:09Z",
    "title_canon_sha256": "b0693bd32dcb548f6b98f5d6371bfc2205281508794d270c12a2c8604ee9ee0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03550",
    "kind": "arxiv",
    "version": 1
  }
}