OpenTechnical

OT-2026-000053165

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053165) never changes.

Identity and time

Publication numberOT-2026-000053165 · never reused
Internal UUID01a0ae84-a432-7b60-951c-763d91863d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053165
StatusPUBLIC

Content hashes

Canonical textbce0a0c962598913c210f2837078edfea34bb62c2d50796cc8d51437244e0d65
Markdown7cd3f1d624300f3ada87ede2af626745b0d7f03b4fabad6cef94813c8117bd4b
PDF
Publication paged390a5ac1c66d45e52aec3c92a28affe0d49d8e8035a571b8196d7da410815ca
Manifest43085b45415cfdc4df4a1ad45c55a697d3c11f98dc0e1e8f05595392dc64214f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureFtetH2UhK7P1WN0xSWVkCw9j7X9PCISIYmta54NWNXJ+osgRLyzeR1KZymMCUIY5CK7eBpqNXFg/0zZ984XLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:59.241868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053165
observed d390a5ac1c66d45e52aec3c92a28affe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.223611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053165/manifest.json
observed 43085b45415cfdc4df4a1ad45c55a697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.205751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053165/publication.md
observed 7cd3f1d624300f3ada87ede2af626745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.188388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053165/publication.txt
observed bce0a0c962598913c210f2837078edfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.