OpenTechnical

OT-2026-000074205

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074205) never changes.

Identity and time

Publication numberOT-2026-000074205 · never reused
Internal UUID01a0ae93-7178-71f3-8835-bfe70f817729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074205
StatusPUBLIC

Content hashes

Canonical text896559c41bfe6cc3065074aecc8456a176d146844ed5d6d8ff7d2fb57919f195
Markdown0c5e8ab9d5e95fcfea4029e4b7561a7aa5c7197509df59323302dfd6ea2be9d3
PDF
Publication page4747fa983f706d6b6df563aaf7cb3eea59d17a55a4f9caef12d03b268d1f274e
Manifesteb53be773f7b84757ecc78e92eaa61ab2f7ca38e0ca1a939dee99a2fbc3918eb

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
SignaturedgkHNT4A2xNduMAjJ6QldLTi6S5kBfUZsXdUv6TjBcmCXaKWn69D6qJ8BTjhQKCT5L3haSwLzxG2Ci6rmPR7Bg==
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

2026-09-17T10:19:03.690102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074205
observed 4747fa983f706d6b6df563aaf7cb3eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.671467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074205/manifest.json
observed eb53be773f7b84757ecc78e92eaa61ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.653162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074205/publication.md
observed 0c5e8ab9d5e95fcfea4029e4b7561a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.635589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074205/publication.txt
observed 896559c41bfe6cc3065074aecc8456a1...
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.