Pith Number

pith:KDPFD4FF

pith:2023:KDPFD4FFMOTWHW55WFGJGTM4PE

not attested not anchored not stored refs pending

Vulnerability of Horizon Regularity: Horizon as a Natural Boundary

H. Lu, Liang Ma, Qi-Yuan Mao

arxiv:2307.14458 v1 · 2023-07-26 · 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{KDPFD4FFMOTWHW55WFGJGTM4PE}

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	2026-07-05T06:35:13.453892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50de51f0a563a763dbbdb14c934d9c7920272540dadf0a95592daed327510834

Aliases

arxiv: 2307.14458 · arxiv_version: 2307.14458v1 · doi: 10.48550/arxiv.2307.14458 · pith_short_12: KDPFD4FFMOTW · pith_short_16: KDPFD4FFMOTWHW55 · pith_short_8: KDPFD4FF

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/KDPFD4FFMOTWHW55WFGJGTM4PE \
  | 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: 50de51f0a563a763dbbdb14c934d9c7920272540dadf0a95592daed327510834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978b84566568588df3519d7f88cc871f82b56e6d02f58760f2d419d4a703f83e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2023-07-26T19:00:04Z",
    "title_canon_sha256": "f07a518db8b4867767ced6b245fd2728b893bac64a75b0f533d2bfa90b19b1f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.14458",
    "kind": "arxiv",
    "version": 1
  }
}