Nine convergences have been documented. Taken individually, any one of them might be explained as coincidence, universal metaphor, or the inevitable outcome of altered neurology. Taken together — sequential, structural, mechanistic, anatomically specific, and in several cases capturing features of such phenomenological precision that they appear in no other samadhi account in the comparative literature — they constitute a body of correspondence that demands a more substantive account.
What makes Fisher's account uniquely valuable as scholarly evidence is precisely what makes it anomalous as human experience. He was not a practitioner whose testimony might be shaped by years of absorbing the tradition's expected phenomenology. He was not a dying person whose account might be colored by cultural beliefs about death. He was an agnostic who had an event, wrote it down as accurately as he could, and only afterward discovered that ancient maps existed for the territory he had traversed.
The sequence of discovery — experience first, framework second, convergence recognized third — is the opposite of confirmation bias. It is, in the strictest sense, independent corroboration.
What the convergences suggest is that the destination is the same across traditions. The road shapes the traveler; it does not shape the territory.
Nine traditions mapped this territory independently. A forty-two-year-old agnostic in an ordinary room, without preparation, without framework, without the vocabulary to name what was happening, traveled it anyway — and his 1972 report matches those charts with a precision that random coincidence cannot adequately explain.