Pith Number

pith:A3BKME5I

pith:2014:A3BKME5IXVGEFJLJYA4AVCIAB7

not attested not anchored not stored refs pending

Hawking Evaporation is Inconsistent with a Classical Event Horizon at $r=2M$

2) ((1) Arizona State University, (2) Australian National University), Borun D. Chowdhury (1), Lawrence M. Krauss (1

arxiv:1409.0187 v2 · 2014-08-31 · gr-qc · astro-ph.CO · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3BKME5IXVGEFJLJYA4AVCIAB7}

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	2026-05-18T02:19:08.300863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06c2a613a8bd4c42a569c0380a89000fd888b06602fb26cd34f7cb5d0d739b2b

Aliases

arxiv: 1409.0187 · arxiv_version: 1409.0187v2 · doi: 10.48550/arxiv.1409.0187 · pith_short_12: A3BKME5IXVGE · pith_short_16: A3BKME5IXVGEFJLJ · pith_short_8: A3BKME5I

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/A3BKME5IXVGEFJLJYA4AVCIAB7 \
  | 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: 06c2a613a8bd4c42a569c0380a89000fd888b06602fb26cd34f7cb5d0d739b2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f0be8f14e28ada4f32a1bd2d9fbf302a91eed3fac6079d095548c4e56356e1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-08-31T06:20:14Z",
    "title_canon_sha256": "693ca6ae5e597f53ad4c691d372d52a688d58bd95274c1dfedc96a46bf4ca253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0187",
    "kind": "arxiv",
    "version": 2
  }
}