Pith Number

pith:2R5XIWL6

pith:2021:2R5XIWL6BY6RG63OZ2G5YNZUSB

not attested not anchored not stored refs pending

Unveiling the nature of SgrA* with the geodesic motion of S-stars

Ivan de Martino, Riccardo della Monica

arxiv:2112.01888 v2 · 2021-12-03 · astro-ph.GA · 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{2R5XIWL6BY6RG63OZ2G5YNZUSB}

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

On relativistic observables in black bounce spacetimes

Receipt and verification

First computed	2026-07-05T04:02:59.784146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47b74597e0e3d137b6ece8ddc3734907b38bbca14e1926d97ce22b976c81f5b

Aliases

arxiv: 2112.01888 · arxiv_version: 2112.01888v2 · doi: 10.48550/arxiv.2112.01888 · pith_short_12: 2R5XIWL6BY6R · pith_short_16: 2R5XIWL6BY6RG63O · pith_short_8: 2R5XIWL6

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/2R5XIWL6BY6RG63OZ2G5YNZUSB \
  | 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: d47b74597e0e3d137b6ece8ddc3734907b38bbca14e1926d97ce22b976c81f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f336fc577739c4999c0e2b865db89c13f5261535ffe028a4e06fca0085d70d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-03T13:01:12Z",
    "title_canon_sha256": "86e325939ffaabc6d1a5868350de1c3e8fdb2bb3193ea88bd10e6736eab67730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01888",
    "kind": "arxiv",
    "version": 2
  }
}