Pith Number

pith:E4EU4NCO

pith:2023:E4EU4NCO7W6QETAB25H3EBQTED

not attested not anchored not stored refs pending

Constraining a companion of the galactic center black hole, Sgr A*

Alexandria Tucker, Andrea Ghez, Aur\'elien Hees, Clifford M. Will, Eric Zhang, Smadar Naoz, Tuan Do

arxiv:2307.16646 v2 · 2023-07-31 · astro-ph.GA · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4EU4NCO7W6QETAB25H3EBQTED}

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

The relativistic restricted three-body problem: geometry and motion around tidally perturbed black holes

Receipt and verification

First computed	2026-07-05T07:22:50.114863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27094e344efdbd024c01d74fb2061320d6afea27e8300e7261901101258886ea

Aliases

arxiv: 2307.16646 · arxiv_version: 2307.16646v2 · doi: 10.48550/arxiv.2307.16646 · pith_short_12: E4EU4NCO7W6Q · pith_short_16: E4EU4NCO7W6QETAB · pith_short_8: E4EU4NCO

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/E4EU4NCO7W6QETAB25H3EBQTED \
  | 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: 27094e344efdbd024c01d74fb2061320d6afea27e8300e7261901101258886ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f614b0b71077de95be4f27545624bbbfa6ee2811e027d1dce8c7b9969bbae165",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-31T13:26:44Z",
    "title_canon_sha256": "c1ddb457f94f98f725698dddef032abb2fff91c2fcc536f141b19658b13972a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.16646",
    "kind": "arxiv",
    "version": 2
  }
}