Pith Number

pith:QQPOWTKO

pith:2021:QQPOWTKOLUBB7JROW6MAAF4OEL

not attested not anchored not stored refs pending

What does lie at the Milky Way centre? Insights from the S2 star orbit precession

A. Krut, C. R. Arg\"uelles, E. A. Becerra-Vergara, J. A. Rueda, M. F. Mestre, R. Ruffini, V. Crespi

arxiv:2109.10729 v1 · 2021-09-22 · 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{QQPOWTKOLUBB7JROW6MAAF4OEL}

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

Fermionic Dark Matter spikes: origin and growth of Black Hole seeds

Receipt and verification

First computed	2026-07-05T03:42:49.336016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b

Aliases

arxiv: 2109.10729 · arxiv_version: 2109.10729v1 · doi: 10.48550/arxiv.2109.10729 · pith_short_12: QQPOWTKOLUBB · pith_short_16: QQPOWTKOLUBB7JRO · pith_short_8: QQPOWTKO

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/QQPOWTKOLUBB7JROW6MAAF4OEL \
  | 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: 841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f3125ab73c80d8c63656928b4d4c3805e71de469e4481a791a11cd6dd6f6cfc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-22T13:34:42Z",
    "title_canon_sha256": "f79b18687e4e8c8c9d0262ec322633576fe036b2e9ac0847b7bad3999942907a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10729",
    "kind": "arxiv",
    "version": 1
  }
}