Pith Number

pith:7SNKDRHP

pith:2026:7SNKDRHPBJAGU4FMHINYV4QKP6

not attested not anchored not stored refs pending

Testing loop quantum gravity through EHT observations of M87* and Sgr A* using rotating holonomy-corrected black holes

Heena Ali, Sushant G. Ghosh

arxiv:2605.28871 v1 · 2026-05-23 · 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{7SNKDRHPBJAGU4FMHINYV4QKP6}

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.

Receipt and verification

First computed	2026-05-29T00:04:14.893770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc9aa1c4ef0a406a70ac3a1b8af20a7f9f5b3b2a2d417ff5c7345b20aaf69ce8

Aliases

arxiv: 2605.28871 · arxiv_version: 2605.28871v1 · doi: 10.48550/arxiv.2605.28871 · pith_short_12: 7SNKDRHPBJAG · pith_short_16: 7SNKDRHPBJAGU4FM · pith_short_8: 7SNKDRHP

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/7SNKDRHPBJAGU4FMHINYV4QKP6 \
  | 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: fc9aa1c4ef0a406a70ac3a1b8af20a7f9f5b3b2a2d417ff5c7345b20aaf69ce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "451e4a20d5358c81f5baf7c8476451b68b21ba46b0cbfb8c2aae0dcdfc7e1e46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-05-23T16:55:56Z",
    "title_canon_sha256": "e09d97b68117dcf267225c967da4ee386c84ce18c4f1a5fff3a5b79d6d5179ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28871",
    "kind": "arxiv",
    "version": 1
  }
}