Pith Number

pith:UNDWYPW5

pith:2019:UNDWYPW5H3OFEYEBWS5RSSZ4JF

not attested not anchored not stored refs pending

Information paradox and corrected thermodynamics for black holes

Ming Zhang

arxiv:1909.13629 v1 · 2019-09-30 · 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{UNDWYPW5H3OFEYEBWS5RSSZ4JF}

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

Evolution of interior entropy of a loop quantum-corrected black hole pierced by a cosmic string

Receipt and verification

First computed	2026-07-05T00:24:41.620332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3476c3edd3edc526081b4bb194b3c49556aaca99457c9a11352c46b06528a16

Aliases

arxiv: 1909.13629 · arxiv_version: 1909.13629v1 · doi: 10.48550/arxiv.1909.13629 · pith_short_12: UNDWYPW5H3OF · pith_short_16: UNDWYPW5H3OFEYEB · pith_short_8: UNDWYPW5

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/UNDWYPW5H3OFEYEBWS5RSSZ4JF \
  | 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: a3476c3edd3edc526081b4bb194b3c49556aaca99457c9a11352c46b06528a16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79b2e2dcf59f7cd7da6c014fe413f6864b9d4cc948cd114a4c01c8f4959fb45e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-30T12:35:48Z",
    "title_canon_sha256": "a39f5fc5a268ea2b50643e954d8dad813ef64a0630cd5b70e8552997e1d9de5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13629",
    "kind": "arxiv",
    "version": 1
  }
}