OpenTechnical

OT-2026-000090037

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000090037) never changes.

Identity and time

Publication numberOT-2026-000090037 · never reused
Internal UUID01a0ae9c-428e-792d-9cb2-3886411d712b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090037
StatusPUBLIC

Content hashes

Canonical textaf18b57a9b4749603da4c528c82eee95fa4c178e6a733735f8c13e21fe21c2f7
Markdowndf20d710f95694f2bd245e9bd2fb2fb5d2f6eca67eec8dbbfb2d2d92f836b163
PDF
Publication page2455691bf560656dc22f4fc8e988e4fb845af27dcc8991f5f65c8aec179b2dfe
Manifestaad2294603731daff06c53d736b5e21708d2840edac957ec8b2af96c94e01c20

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
SignatureOpvucpdsjyhUZGxgujMT9hnZrVV6+uJ78csL7HGIe8bmf8GhFanUxgq4wfb0ySzfYBwUXwineZIRaS/0S89RDw==
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

2026-09-17T09:45:26.406881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090037
observed 2455691bf560656dc22f4fc8e988e4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.390782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090037/manifest.json
observed aad2294603731daff06c53d736b5e217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.374117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090037/publication.md
observed df20d710f95694f2bd245e9bd2fb2fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.356678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090037/publication.txt
observed af18b57a9b4749603da4c528c82eee95...
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.