Pith Number

pith:QMCI7ZO2

pith:2025:QMCI7ZO2EWCSP4WOZAQ2UEQK5X

not attested not anchored not stored refs pending

The information loss problem and Hawking radiation as tunneling

Baocheng Zhang, Christian Corda, Qing-yu Cai

arxiv:2502.09924 v1 · 2025-02-14 · gr-qc · hep-th · 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{QMCI7ZO2EWCSP4WOZAQ2UEQK5X}

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	2026-07-05T10:14:14.410417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8

Aliases

arxiv: 2502.09924 · arxiv_version: 2502.09924v1 · doi: 10.48550/arxiv.2502.09924 · pith_short_12: QMCI7ZO2EWCS · pith_short_16: QMCI7ZO2EWCSP4WO · pith_short_8: QMCI7ZO2

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/QMCI7ZO2EWCSP4WOZAQ2UEQK5X \
  | 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: 83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80a316edb004ebabd911429e981509de18d9f41af2392bf1a59f58ade4d9615e",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-02-14T05:25:46Z",
    "title_canon_sha256": "a9c4738270a853dcf5e167ad954c22c98e21783c4752a34677f8f84a461ab211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09924",
    "kind": "arxiv",
    "version": 1
  }
}