Pith Number

pith:FPZKH7EN

pith:2021:FPZKH7ENVIBNABX7UOTQQF3S36

not attested not anchored not stored refs pending

Image features of spinning regular black holes based on a locality principle

Aaron Held, Astrid Eichhorn

arxiv:2103.07473 v1 · 2021-03-12 · gr-qc · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPZKH7ENVIBNABX7UOTQQF3S36}

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

Astrophysical environment around a black hole in the braneworld and its optical signatures

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

Receipt and verification

First computed	2026-07-05T03:30:10.076245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bf2a3fc8daa02d006ffa3a7081772df9697f1301f9999f7a2bb2171a9c2e8d1

Aliases

arxiv: 2103.07473 · arxiv_version: 2103.07473v1 · doi: 10.48550/arxiv.2103.07473 · pith_short_12: FPZKH7ENVIBN · pith_short_16: FPZKH7ENVIBNABX7 · pith_short_8: FPZKH7EN

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/FPZKH7ENVIBNABX7UOTQQF3S36 \
  | 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: 2bf2a3fc8daa02d006ffa3a7081772df9697f1301f9999f7a2bb2171a9c2e8d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f08f78337bf9f7b0bac9567008183749857a92073a50c6c89e0a14e5941411",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-12T19:00:00Z",
    "title_canon_sha256": "88905f3a653630257b601845770d59bc62fd80a88daf508c42824f7c76ecb2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07473",
    "kind": "arxiv",
    "version": 1
  }
}