Pith Number

pith:RMQBJQ6L

pith:2022:RMQBJQ6LJAUYRD2R6CWL4HOEF2

not attested not anchored not stored refs pending

Constraints on horizonless objects after the EHT observation of Sagittarius A*

Francesco Di Filippo, Matt Visser, Ra\'ul Carballo-Rubio, Stefano Liberati

arxiv:2205.13555 v2 · 2022-05-26 · 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{RMQBJQ6LJAUYRD2R6CWL4HOEF2}

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 glow of eternal black holes

Receipt and verification

First computed	2026-07-05T05:11:39.458809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b2014c3cb4829888f51f0acbe1dc42ebdd3dcc6f6c076986b964e60c8b13af8

Aliases

arxiv: 2205.13555 · arxiv_version: 2205.13555v2 · doi: 10.48550/arxiv.2205.13555 · pith_short_12: RMQBJQ6LJAUY · pith_short_16: RMQBJQ6LJAUYRD2R · pith_short_8: RMQBJQ6L

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/RMQBJQ6LJAUYRD2R6CWL4HOEF2 \
  | 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: 8b2014c3cb4829888f51f0acbe1dc42ebdd3dcc6f6c076986b964e60c8b13af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "424491f377e06239617bcde145cef90b1c5bc85e2e518b7963b135526889c59e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-26T18:00:03Z",
    "title_canon_sha256": "ef2a763b584c1259b7109d9a8c3906baa5e91720ce76463785f26e57cfa798fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.13555",
    "kind": "arxiv",
    "version": 2
  }
}