Pith. sign in
Pith Number

pith:SAAFM4OU

pith:2020:SAAFM4OUHZC3LPWSAXHLQJ3Z7G
not attested not anchored not stored refs pending

Novel black-bounce spacetimes: wormholes, regularity, energy conditions, and causal structure

Alex Simpson, Francisco S. N. Lobo, Manuel E. Rodrigues, Marcos V. de S. Silva, Matt Visser

arxiv:2009.12057 v3 · 2020-09-25 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SAAFM4OUHZC3LPWSAXHLQJ3Z7G}

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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

8 papers in Pith

Receipt and verification
First computed 2026-07-05T02:37:29.833657Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

90005671d43e45b5bed205ceb82779f9afb92fd1245107ad7c63743a6b6e09ea

Aliases

arxiv: 2009.12057 · arxiv_version: 2009.12057v3 · doi: 10.48550/arxiv.2009.12057 · pith_short_12: SAAFM4OUHZC3 · pith_short_16: SAAFM4OUHZC3LPWS · pith_short_8: SAAFM4OU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SAAFM4OUHZC3LPWSAXHLQJ3Z7G \
  | 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: 90005671d43e45b5bed205ceb82779f9afb92fd1245107ad7c63743a6b6e09ea
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8cca0c32c81f7e1586bae4b026d93b2a0bfb176110b0566e8664829a1e86323a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-09-25T07:01:34Z",
    "title_canon_sha256": "bc0e5e3056858ba9ebce502e9c936b5fd6bb4ad6e32f44ba77780bcaa38e3e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12057",
    "kind": "arxiv",
    "version": 3
  }
}