Pith Number

pith:2IZEBYMW

pith:2019:2IZEBYMWDKTJILUFVY53PSAJAU

not attested not anchored not stored refs pending

Not quite black holes at LIGO

Bob Holdom

arxiv:1909.11801 v2 · 2019-09-25 · 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{2IZEBYMWDKTJILUFVY53PSAJAU}

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

Conformal Cores of Quantum Black Holes in Quadratic Gravity

Receipt and verification

First computed	2026-07-05T00:50:52.745922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d23240e1961aa6942e85ae3bb7c809051155ee0f5ef336d14635c68d6de6d910

Aliases

arxiv: 1909.11801 · arxiv_version: 1909.11801v2 · doi: 10.48550/arxiv.1909.11801 · pith_short_12: 2IZEBYMWDKTJ · pith_short_16: 2IZEBYMWDKTJILUF · pith_short_8: 2IZEBYMW

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/2IZEBYMWDKTJILUFVY53PSAJAU \
  | 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: d23240e1961aa6942e85ae3bb7c809051155ee0f5ef336d14635c68d6de6d910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce2a10a0d78bc7f8b1bd3fa02a53e504d86a5cb8f9b1f9ed2a91a0b12a55e73d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-25T22:36:35Z",
    "title_canon_sha256": "6c5c08c4eb294bbe8e340036a92c13aeee4c4c4fcabd0c8e9af17f9b678bb1bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11801",
    "kind": "arxiv",
    "version": 2
  }
}