Pith Number

pith:3MTZOTUV

pith:2019:3MTZOTUVF6XFFLYSNHHN5BST4H

not attested not anchored not stored refs pending

A Significant Feature in the General Relativistic Time Evolution of the Redshift of Photons Coming from a Star Orbiting Sgr A*

Akinori Koyama, Atsushi Iwamatsu, Francisco Najarro, Haruka Gorin, Hiromi Saida, Masaaki Takahashi, Masashi Omiya, Mizuki Takahashi, Motohide Tamura, Satoshi Hamano, Schun Nagatomo, Shogo Nishiyama, Takayuki Ohgami, Tetsuya Nagata, Tetsuya Zenko, Tomohiro Kara, Yohsuke Takamori, Yosuke Minowa, Yosuke Ohashi

arxiv:1910.02632 v1 · 2019-10-07 · gr-qc · 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{3MTZOTUVF6XFFLYSNHHN5BST4H}

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	2026-07-05T00:10:10.068305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db27974e952fae52af1269cede8653e1ce657502d68155bb7989ac2e88a53da1

Aliases

arxiv: 1910.02632 · arxiv_version: 1910.02632v1 · doi: 10.48550/arxiv.1910.02632 · pith_short_12: 3MTZOTUVF6XF · pith_short_16: 3MTZOTUVF6XFFLYS · pith_short_8: 3MTZOTUV

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/3MTZOTUVF6XFFLYSNHHN5BST4H \
  | 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: db27974e952fae52af1269cede8653e1ce657502d68155bb7989ac2e88a53da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949f057cb5cb110ea423b1f9f7b3ad928ef1680327dde69dad61bb6211795527",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-10-07T06:52:36Z",
    "title_canon_sha256": "48c2973e9dd98978e96772b8f3a025914bdf524e48d432449315cd51ed094beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02632",
    "kind": "arxiv",
    "version": 1
  }
}