Pith Number

pith:4GUI3E3G

pith:2019:4GUI3E3GO3RKNP3A3J43BDDC3E

not attested not anchored not stored refs pending

Greybody Factor for a Rotating Bardeen Black Hole

M. Sharif, Qanitah Ama-Tul-Mughani

arxiv:1909.02862 v1 · 2019-09-05 · 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{4GUI3E3GO3RKNP3A3J43BDDC3E}

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	2026-07-05T00:24:18.060082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a88d936676e2a6bf60da79b08c62d911730d9cacaeddf57dc5e26b0305087a

Aliases

arxiv: 1909.02862 · arxiv_version: 1909.02862v1 · doi: 10.48550/arxiv.1909.02862 · pith_short_12: 4GUI3E3GO3RK · pith_short_16: 4GUI3E3GO3RKNP3A · pith_short_8: 4GUI3E3G

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/4GUI3E3GO3RKNP3A3J43BDDC3E \
  | 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: e1a88d936676e2a6bf60da79b08c62d911730d9cacaeddf57dc5e26b0305087a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce42b7f44f7b5bd3b6d5af5e4ccb5ff95e6c9458f563310279a25adce245f96f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-05T03:44:58Z",
    "title_canon_sha256": "68be187eceaddd094448347b03579b5d661026b23be23f77296b047d789571c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02862",
    "kind": "arxiv",
    "version": 1
  }
}