Pith Number

pith:ECWU4FAS

pith:2018:ECWU4FASQR7PH4VUIKNM4I7CJO

not attested not anchored not stored refs pending

Electromagnetic emissions from near-horizon region of an extreme Kerr-Taub-Nut black hole

Fen Long, Jieci Wang, Jiliang Jing, Songbai Chen

arxiv:1812.11463 v3 · 2018-12-30 · 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{ECWU4FASQR7PH4VUIKNM4I7CJO}

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	2026-05-17T23:43:50.207831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ad4e1412847ef3f2b4429ace23e24ba4e19c98919f2124b4610fe99fdcf995

Aliases

arxiv: 1812.11463 · arxiv_version: 1812.11463v3 · doi: 10.48550/arxiv.1812.11463 · pith_short_12: ECWU4FASQR7P · pith_short_16: ECWU4FASQR7PH4VU · pith_short_8: ECWU4FAS

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/ECWU4FASQR7PH4VUIKNM4I7CJO \
  | 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: 20ad4e1412847ef3f2b4429ace23e24ba4e19c98919f2124b4610fe99fdcf995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1f9c691ed000f6d852b07b23bab7faebde85d85d948ee44848afeb5193d1239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-30T03:32:40Z",
    "title_canon_sha256": "54e359f46e09f920723246728ac3ef9ae147c481cec9148ea5839c10b0a35388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11463",
    "kind": "arxiv",
    "version": 3
  }
}