Pith Number

pith:NNG7LTEA

pith:2009:NNG7LTEACZ7ORGV6SZGXPIKUPK

not attested not anchored not stored refs pending

Better Late than Never: Information Retrieval from Black Holes

Karol \.Zyczkowski, Samuel L. Braunstein, Stefano Pirandola

arxiv:0907.1190 v3 · 2009-07-07 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNG7LTEACZ7ORGV6SZGXPIKUPK}

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

UV Effects and Short-Lived Hawking Radiation: Alternative Resolution of Information Paradox

Receipt and verification

First computed	2026-05-18T03:31:45.346751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4df5cc80167ee89abe964d77a1547a8ce01df4448dbb2350d9b55fb1497308

Aliases

arxiv: 0907.1190 · arxiv_version: 0907.1190v3 · doi: 10.48550/arxiv.0907.1190 · pith_short_12: NNG7LTEACZ7O · pith_short_16: NNG7LTEACZ7ORGV6 · pith_short_8: NNG7LTEA

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/NNG7LTEACZ7ORGV6SZGXPIKUPK \
  | 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: 6b4df5cc80167ee89abe964d77a1547a8ce01df4448dbb2350d9b55fb1497308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a67c280c1ba3be9353ac7b95ef81140f5fab50d83128eb706f65cad4fb6a687f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-07T10:52:06Z",
    "title_canon_sha256": "13568eb882380c5e539c5118f08a3d8aadc52fded11367184ddece0f8e7b83e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1190",
    "kind": "arxiv",
    "version": 3
  }
}