Pith Number

pith:TUISFIH6

pith:2015:TUISFIH6RPKQSVKFDH6MPPSREZ

not attested not anchored not stored refs pending

The Information Paradox for Black Holes

S. W. Hawking

arxiv:1509.01147 v1 · 2015-09-03 · hep-th · 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{TUISFIH6RPKQSVKFDH6MPPSREZ}

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	2026-05-18T01:34:04.216687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d1122a0fe8bd509554519fcc7be5126595a6b794cab4e1cb1b0bb0bb285eaff

Aliases

arxiv: 1509.01147 · arxiv_version: 1509.01147v1 · doi: 10.48550/arxiv.1509.01147 · pith_short_12: TUISFIH6RPKQ · pith_short_16: TUISFIH6RPKQSVKF · pith_short_8: TUISFIH6

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/TUISFIH6RPKQSVKFDH6MPPSREZ \
  | 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: 9d1122a0fe8bd509554519fcc7be5126595a6b794cab4e1cb1b0bb0bb285eaff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "574cbb95f3fa793a040351e550e7b3e61f725de27cba5736ef563cc3e6fbac08",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-09-03T16:15:59Z",
    "title_canon_sha256": "39b09d2c959ef26aa2d250b6c7ba34334cdcb3f1638753172785eb0974feaca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01147",
    "kind": "arxiv",
    "version": 1
  }
}