Pith Number

pith:BRN5OWA5

pith:2014:BRN5OWA5MPXRUYUZR775FWSF2X

not attested not anchored not stored refs pending

Do Black Holes Exist?

Valeri P. Frolov

arxiv:1411.6981 v1 · 2014-11-25 · 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{BRN5OWA5MPXRUYUZR775FWSF2X}

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

On the impossibility of observational confirmation of black holes

Receipt and verification

First computed	2026-05-18T02:32:46.839134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5bd7581d63ef1a62998fffd2da45d5ded407c3c606b8d067e8956c9489adbf

Aliases

arxiv: 1411.6981 · arxiv_version: 1411.6981v1 · doi: 10.48550/arxiv.1411.6981 · pith_short_12: BRN5OWA5MPXR · pith_short_16: BRN5OWA5MPXRUYUZ · pith_short_8: BRN5OWA5

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/BRN5OWA5MPXRUYUZR775FWSF2X \
  | 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: 0c5bd7581d63ef1a62998fffd2da45d5ded407c3c606b8d067e8956c9489adbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa7a90bfe9bd38a39d1655d01bafb119ddc68b4d60a166e234f0da8538fc058",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-11-25T19:36:00Z",
    "title_canon_sha256": "dbf167db3b4ca7fcbfbbac57c8f20660361ea66b0f038ff97b7d97647a0773f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6981",
    "kind": "arxiv",
    "version": 1
  }
}