Pith Number

pith:MYF6ADYU

pith:2020:MYF6ADYUSYWWZNR3FBLHPYI7M7

not attested not anchored not stored refs pending

Kerr black holes with synchronised axionic hair

Carlos A. R. Herdeiro, Eugen Radu, Jorge F. M. Delgado

arxiv:2012.03952 v1 · 2020-12-07 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYF6ADYUSYWWZNR3FBLHPYI7M7}

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	2026-07-05T02:41:09.730077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

660be00f14962d6cb63b285677e11f67cc210cd35868aaaa537ea861b3b5825c

Aliases

arxiv: 2012.03952 · arxiv_version: 2012.03952v1 · doi: 10.48550/arxiv.2012.03952 · pith_short_12: MYF6ADYUSYWW · pith_short_16: MYF6ADYUSYWWZNR3 · pith_short_8: MYF6ADYU

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/MYF6ADYUSYWWZNR3FBLHPYI7M7 \
  | 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: 660be00f14962d6cb63b285677e11f67cc210cd35868aaaa537ea861b3b5825c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca94b411375551b624ff9c48f3a5ed2be9f429c1716fbbb90a5cd4968baff0fc",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-07T19:00:01Z",
    "title_canon_sha256": "323775e12f312f57a6045e455fcdd1325ee685505965206bab562a5292e6842f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03952",
    "kind": "arxiv",
    "version": 1
  }
}