Pith Number

pith:Z4FJF7N2

pith:2022:Z4FJF7N2TVJEPTHSPKIM3ZFFE6

not attested not anchored not stored refs pending

Quantum gravity lights up spinning black holes

Aaron Held, Astrid Eichhorn

arxiv:2206.11152 v1 · 2022-06-22 · 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{Z4FJF7N2TVJEPTHSPKIM3ZFFE6}

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

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$

Receipt and verification

First computed	2026-07-05T05:37:38.250696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf0a92fdba9d5247ccf27a90cde4a52796060b745e333377ceb2c67fd2c1d5a1

Aliases

arxiv: 2206.11152 · arxiv_version: 2206.11152v1 · doi: 10.48550/arxiv.2206.11152 · pith_short_12: Z4FJF7N2TVJE · pith_short_16: Z4FJF7N2TVJEPTHS · pith_short_8: Z4FJF7N2

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/Z4FJF7N2TVJEPTHSPKIM3ZFFE6 \
  | 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: cf0a92fdba9d5247ccf27a90cde4a52796060b745e333377ceb2c67fd2c1d5a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c1c04c944053f81e8ead15f488c99e03854d4b06002eff0195f82ad6868240",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-06-22T14:57:43Z",
    "title_canon_sha256": "001ee7b178353971779b68273e19f91e993b9d9e7461265d4a4175044dba837c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.11152",
    "kind": "arxiv",
    "version": 1
  }
}