OpenTechnical

OT-2026-000065407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000065407) never changes.

Identity and time

Publication numberOT-2026-000065407 · never reused
Internal UUID01a0ae8e-46f8-7604-8914-880ec2129b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065407
StatusPUBLIC

Content hashes

Canonical textc8bf9130776cfcd73d62f65186e68bf64db0687ac42300e96650b822861eb360
Markdownf2452746dc5b3964c2bb63737222693e1f1f90da4fb6c643e9bcf018f600db59
PDF
Publication page25b789b4d04e8576454685b869354323d33b4bacdd1723331033f9fc20fd7134
Manifest9c210dcc290dc17a2d2dc7ef844295c809d89920b8e8a1b906702fdc8979174d

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
SignaturejfRbU7k1pXN3VCqhmQ1WcRvUku61XgWna2KjeJfBnpADVQKYAvuq5eoQQ1jmWY+j8DE9rCzCvfpJZ9wqkeP+Aw==
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

2026-09-17T10:33:40.260347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065407
observed 25b789b4d04e8576454685b869354323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.240145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065407/manifest.json
observed 9c210dcc290dc17a2d2dc7ef844295c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.222513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065407/publication.md
observed f2452746dc5b3964c2bb63737222693e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:40.202199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065407/publication.txt
observed c8bf9130776cfcd73d62f65186e68bf6...
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.