Pith Number

pith:FBQH2KBY

pith:2016:FBQH2KBY6TDAGVZ3KTP5QFGEFN

not attested not anchored not stored refs pending

Testing the No-Hair Theorem with Observations of Black Holes in the Electromagnetic Spectrum

Tim Johannsen (Perimeter, Waterloo)

arxiv:1602.07694 v3 · 2016-02-24 · astro-ph.HE · astro-ph.GA · 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{FBQH2KBY6TDAGVZ3KTP5QFGEFN}

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

Shadow of the Scalar Hairy Black Hole with Inverted Higgs Potential

Receipt and verification

First computed	2026-05-18T01:13:37.645948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28607d2838f4c603573b54dfd814c42b56a7ad35834ca966703ba436b5037723

Aliases

arxiv: 1602.07694 · arxiv_version: 1602.07694v3 · doi: 10.48550/arxiv.1602.07694 · pith_short_12: FBQH2KBY6TDA · pith_short_16: FBQH2KBY6TDAGVZ3 · pith_short_8: FBQH2KBY

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/FBQH2KBY6TDAGVZ3KTP5QFGEFN \
  | 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: 28607d2838f4c603573b54dfd814c42b56a7ad35834ca966703ba436b5037723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3beb2e7efdbd76ebcb9f2beb08a90443951886e6f4effa8b988fe76e9be3cfb4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-02-24T21:00:04Z",
    "title_canon_sha256": "07f2194a6c5fe17aa322338c917e76e884c5cfdf30f4f74cbf19363bb316c6d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07694",
    "kind": "arxiv",
    "version": 3
  }
}