OpenTechnical

OT-2026-000090662

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090662) never changes.

Identity and time

Publication numberOT-2026-000090662 · never reused
Internal UUID01a0ae9c-7f30-78f7-853b-088ce0002992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090662
StatusPUBLIC

Content hashes

Canonical textff7f66fa4baa81a8322d17f30da3cd4ce30b58562db384ab66ed4eba608b6f58
Markdowndf0f86f91f68ba66d8313fd181a16b01d310b34311b588eef931fb01b0296a04
PDF
Publication pageef83fefe1b6fafbf3d4d3f2e0586ec8296ef7f5e091412717e74658e4c52b2b7
Manifestc9272de5cbd24da6552427af25a6844a45c53cd80d13129b5d369a8981195875

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
Signaturec9ijovFn5jXHczb3zRtfivpWn90YNJkN11rR4CGv4U6k0fXWirRo3lyvD6TFqaIDsQAHHACRynjeQNWtDcPbAg==
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

2026-09-17T09:44:51.309443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090662
observed ef83fefe1b6fafbf3d4d3f2e0586ec82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.291829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090662/manifest.json
observed c9272de5cbd24da6552427af25a6844a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.273661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090662/publication.md
observed df0f86f91f68ba66d8313fd181a16b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.255287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090662/publication.txt
observed ff7f66fa4baa81a8322d17f30da3cd4c...
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.