Pith Number

pith:TWU54WO7

pith:2017:TWU54WO7E3TZUEKGZIKT6YZP5B

not attested not anchored not stored refs pending

Persistent Black Holes in Bouncing Cosmologies

Alan Coley, Bernard Carr, Timothy Clifton

arxiv:1701.05750 v2 · 2017-01-20 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWU54WO7E3TZUEKGZIKT6YZP5B}

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

Black holes in a bouncing universe

Receipt and verification

First computed	2026-05-18T00:41:25.214098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9da9de59df26e79a1146ca153f632fe877ab26c1d2f1e5a0b8dec9215acef75a

Aliases

arxiv: 1701.05750 · arxiv_version: 1701.05750v2 · doi: 10.48550/arxiv.1701.05750 · pith_short_12: TWU54WO7E3TZ · pith_short_16: TWU54WO7E3TZUEKG · pith_short_8: TWU54WO7

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/TWU54WO7E3TZUEKGZIKT6YZP5B \
  | 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: 9da9de59df26e79a1146ca153f632fe877ab26c1d2f1e5a0b8dec9215acef75a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "babc4dffd193484a589f7460e1a15cdbb5105e81cb63966d3fdfe33b0c4cea28",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-20T10:38:52Z",
    "title_canon_sha256": "101452a4588632d4ba3e3c08083aa61805c3f74083ad211df4911d3a68fb46bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05750",
    "kind": "arxiv",
    "version": 2
  }
}