OpenTechnical

OT-2026-000064223

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000064223) never changes.

Identity and time

Publication numberOT-2026-000064223 · never reused
Internal UUID01a0ae8d-a45f-7ac6-88da-23158d6a824a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064223
StatusPUBLIC

Content hashes

Canonical textd7e65ddcff0875d127af913f6cd72e7021c780c08c2e9ea1311ff96ddd69029f
Markdownfeb0ffc0f0d3e88f8a045d7193cbaaf8ed3c5787a8da6b3c0630f47aa83e8c15
PDF
Publication page640777489792bbc52ad3bf09cf8b715aab4370424d10d531ea25b930a3108ef6
Manifest7993b74cf218d93958a20e890787dea301a4e9b6882700c4a62122127a3d08a1

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
SignatureWF+vzzTXcZuCbG1r3gYkfETGv6opE4z8La6FVHUfaqMxcaar4hI3/TpoRUhEpr6SfEkMR1cL4WPcrHNaKHYmCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:20.739047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064223
observed 640777489792bbc52ad3bf09cf8b715a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.721942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064223/manifest.json
observed 7993b74cf218d93958a20e890787dea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.701711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064223/publication.md
observed feb0ffc0f0d3e88f8a045d7193cbaaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.683265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064223/publication.txt
observed d7e65ddcff0875d127af913f6cd72e70...
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.