Pith. sign in
Pith Number

pith:7R3F3KR2

pith:2021:7R3F3KR2RA2V3MJP7F4MQ3TOI4
not attested not anchored not stored refs pending

Black Hole Images as Tests of General Relativity: Effects of Plasma Physics

Dimitrios Psaltis, Feryal Ozel, Ziri Younsi

arxiv:2111.01123 v2 · 2021-11-01 · astro-ph.HE · astro-ph.GA · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7R3F3KR2RA2V3MJP7F4MQ3TOI4}

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

2 papers in Pith

Receipt and verification
First computed 2026-07-05T05:28:19.362525Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fc765daa3a88355db12ff978c86e6e4720e854e324edf03cd0509af9488aca67

Aliases

arxiv: 2111.01123 · arxiv_version: 2111.01123v2 · doi: 10.48550/arxiv.2111.01123 · pith_short_12: 7R3F3KR2RA2V · pith_short_16: 7R3F3KR2RA2V3MJP · pith_short_8: 7R3F3KR2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7R3F3KR2RA2V3MJP7F4MQ3TOI4 \
  | 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: fc765daa3a88355db12ff978c86e6e4720e854e324edf03cd0509af9488aca67
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "39336aa42a50dcdd889dc92b2f1b4375918917e2dd925dd5bb813bd3096f7cbf",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-11-01T17:58:45Z",
    "title_canon_sha256": "2941fd86d4db74c4ec5a260eee10c18fd32b77b6f988a7e70d8c886d0e06dd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01123",
    "kind": "arxiv",
    "version": 2
  }
}