Pith Number

pith:M3LCDYM4

pith:2021:M3LCDYM4HDXZY5SPD3CUA5XVKP

not attested not anchored not stored refs pending

Black Hole Cannibalism

Elizabeth Wildenhain, Ning Bao

arxiv:2104.04536 v1 · 2021-04-09 · hep-th · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3LCDYM4HDXZY5SPD3CUA5XVKP}

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	2026-07-05T03:51:26.762954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66d621e19c38ef9c764f1ec54076f553d149c2af43be5828d688f14585707c3f

Aliases

arxiv: 2104.04536 · arxiv_version: 2104.04536v1 · doi: 10.48550/arxiv.2104.04536 · pith_short_12: M3LCDYM4HDXZ · pith_short_16: M3LCDYM4HDXZY5SP · pith_short_8: M3LCDYM4

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/M3LCDYM4HDXZY5SPD3CUA5XVKP \
  | 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: 66d621e19c38ef9c764f1ec54076f553d149c2af43be5828d688f14585707c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76900ec23e398175771d8987eefb4be98ab5bf8968b2596023a5c3d45e1bfe65",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-04-09T18:00:10Z",
    "title_canon_sha256": "2293be23634a59d74f7abcb146ba135d323c15a27ddd8918c0508a2ad409d893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04536",
    "kind": "arxiv",
    "version": 1
  }
}