Pith. sign in
Pith Number

pith:VQ64OLU5

pith:1992:VQ64OLU5MAMMPTVGRY4DBR4TG6
not attested not anchored not stored refs pending

Do Black Holes Destroy Information?

John Preskill

arxiv:hep-th/9209058 v1 · 1992-09-16 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VQ64OLU5MAMMPTVGRY4DBR4TG6}

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

4 papers in Pith

Receipt and verification
First computed 2026-07-04T14:32:27.103775Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ac3dc72e9d6018c7cea68e3830c793379df1d73150e0c246b41f22ed048e7674

Aliases

arxiv: hep-th/9209058 · arxiv_version: hep-th/9209058v1 · doi: 10.48550/arxiv.hep-th/9209058 · pith_short_12: VQ64OLU5MAMM · pith_short_16: VQ64OLU5MAMMPTVG · pith_short_8: VQ64OLU5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VQ64OLU5MAMMPTVGRY4DBR4TG6 \
  | 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: ac3dc72e9d6018c7cea68e3830c793379df1d73150e0c246b41f22ed048e7674
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cfd2c61052b98ddffe877f902364aa9e11f44c1758aeeedbc9dd8ceaa276bbd1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-09-16T18:17:10Z",
    "title_canon_sha256": "0477500530eb065ef997846a7725241095c0a7a477dc5390576bc0f45cfb4c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9209058",
    "kind": "arxiv",
    "version": 1
  }
}