Pith Number

pith:MLM5GD6U

pith:2025:MLM5GD6UJ5IRPZDBAZDSJ6KZH5

not attested not anchored not stored refs pending

It costs nothing to teleport information into a black hole

Geoff Penington, Jonah Kudler-Flam

arxiv:2504.01058 v2 · 2025-04-01 · 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{MLM5GD6UJ5IRPZDBAZDSJ6KZH5}

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

1 paper in Pith

Not all black holes decohere quantum superpositions

Receipt and verification

First computed	2026-07-05T11:08:18.902175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62d9d30fd44f5117e461064724f9593f477e7ecf9796e6be2e40f09a204a70f5

Aliases

arxiv: 2504.01058 · arxiv_version: 2504.01058v2 · doi: 10.48550/arxiv.2504.01058 · pith_short_12: MLM5GD6UJ5IR · pith_short_16: MLM5GD6UJ5IRPZDB · pith_short_8: MLM5GD6U

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/MLM5GD6UJ5IRPZDBAZDSJ6KZH5 \
  | 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: 62d9d30fd44f5117e461064724f9593f477e7ecf9796e6be2e40f09a204a70f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6e8253d75f9724fb81888ec3c4cb4206dc947630fd5b2fcaad80c491e47c8a",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-04-01T18:00:00Z",
    "title_canon_sha256": "8fc41da559b0a036a5559a3b240bda601ab501d85837890ecc3e0dfcdf30b947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01058",
    "kind": "arxiv",
    "version": 2
  }
}