Pith Number

pith:MQETRPOD

pith:2005:MQETRPODXAA3SLTMLCCUKRCUXY

not attested not anchored not stored refs pending

Black hole boundaries

Ivan Booth

arxiv:gr-qc/0508107 v2 · 2005-08-26 · 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{MQETRPODXAA3SLTMLCCUKRCUXY}

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

9 papers in Pith

Primordial Black Holes: A Review of Formation and Evolution

Higher Lovelock Curvature Terms Favor Local Nakedness in Dust Collapse

Interior marginally outer trapped surfaces in Hayward black holes

Cusp Formation in Merging Black Hole Horizons

All $2D$ generalised dilaton theories from $d\geq 4$ gravities

Receipt and verification

First computed	2026-07-04T16:55:17.353693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640938bdc3b801b92e6c5885454454be054e0b1ad3cae7d4d7be92e8b261bced

Aliases

arxiv: gr-qc/0508107 · arxiv_version: gr-qc/0508107v2 · doi: 10.48550/arxiv.gr-qc/0508107 · pith_short_12: MQETRPODXAA3 · pith_short_16: MQETRPODXAA3SLTM · pith_short_8: MQETRPOD

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/MQETRPODXAA3SLTMLCCUKRCUXY \
  | 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: 640938bdc3b801b92e6c5885454454be054e0b1ad3cae7d4d7be92e8b261bced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c2ad758628cb9a44201e760f104be8c3325de4a32b41f9c89a6d800644c400f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-08-26T17:44:18Z",
    "title_canon_sha256": "9d14e7e1d6854768c6f152d6feb3ed40866d616a91502e194bfab75ce7d885bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0508107",
    "kind": "arxiv",
    "version": 2
  }
}