Pith Number

pith:BDSMXFW3

pith:2002:BDSMXFW37N3FBQBOJ37XM7GTIS

not attested not anchored not stored refs pending

Thick domain walls around a black hole

Akihiro Ishibashi, Daisuke Ida, Ken-ichi Nakao, Yoshiyuki Morisawa

arxiv:gr-qc/0209070 v2 · 2002-09-20 · 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{BDSMXFW37N3FBQBOJ37XM7GTIS}

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	2026-07-04T16:33:46.826915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e4cb96dbfb7650c02e4eff767cd344b94cb720cd37d17569f8da7a551f8907

Aliases

arxiv: gr-qc/0209070 · arxiv_version: gr-qc/0209070v2 · doi: 10.48550/arxiv.gr-qc/0209070 · pith_short_12: BDSMXFW37N3F · pith_short_16: BDSMXFW37N3FBQBO · pith_short_8: BDSMXFW3

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/BDSMXFW37N3FBQBOJ37XM7GTIS \
  | 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: 08e4cb96dbfb7650c02e4eff767cd344b94cb720cd37d17569f8da7a551f8907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8152bd805e992da42fa580f6090b65673abd53680fe5d3b76afa23a9104a808b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-09-20T12:37:55Z",
    "title_canon_sha256": "1f40325a2f756ac74b55acaf6b17584635c455d966ac3d0d2663b09e2605ef62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0209070",
    "kind": "arxiv",
    "version": 2
  }
}