Pith Number

pith:HPI7ZSCF

pith:2020:HPI7ZSCFHIFNY447N3QBVSHBI7

not attested not anchored not stored refs pending

When Painlev\'e-Gullstrand coordinates fail

Genevi\`eve Vachon (Bishop's University), Valerio Faraoni

arxiv:2006.10827 v2 · 2020-06-18 · 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{HPI7ZSCFHIFNY447N3QBVSHBI7}

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

2 papers in Pith

Cosmological Black hole Candidates: A Detailed Analysis of McVittie, Culetu, Sultana-Dyer, and Glass-Mashhoon Spacetimes

Dust collapse and bounce in spherically symmetric quantum-inspired gravity models

Receipt and verification

First computed	2026-07-05T01:27:24.442785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd1fcc8453a0adc739f6ee01ac8e147fa9a52f70e28abd3eb50f4c976df54b0

Aliases

arxiv: 2006.10827 · arxiv_version: 2006.10827v2 · doi: 10.48550/arxiv.2006.10827 · pith_short_12: HPI7ZSCFHIFN · pith_short_16: HPI7ZSCFHIFNY447 · pith_short_8: HPI7ZSCF

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/HPI7ZSCFHIFNY447N3QBVSHBI7 \
  | 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: 3bd1fcc8453a0adc739f6ee01ac8e147fa9a52f70e28abd3eb50f4c976df54b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03d1437b5e56b7ab006d2f4da4b1d6d0071f0aa182987f51646600add9d11763",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-06-18T19:47:15Z",
    "title_canon_sha256": "cf0a4e8b70d8efa9451ce94829d7a433ea474c63988f5027234d9a808b6b3887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.10827",
    "kind": "arxiv",
    "version": 2
  }
}