OpenTechnical

OT-2026-000082785

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000082785) never changes.

Identity and time

Publication numberOT-2026-000082785 · never reused
Internal UUID01a0ae97-8cc9-754e-b2ac-4624adc59672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082785
StatusPUBLIC

Content hashes

Canonical text79df8c6a0402476e58b01f52ed2fde084da73f3b623632adab4dce007aff298e
Markdown3d1bdf4b7a4af2f68b4b537c8954d2f91a3f53491b78e309dd58f8e95aa98aed
PDF
Publication page78e46069867a0af7148b0bfa6ac2deb0cc2d9653ecdb697dcb3556274ccc70b9
Manifest808e6a7c5c78084bdd6fad05808c5feec494611d7a4031ad58302bb87bbb47b8

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
SignatureVt31Qu7jFcQoIFvkAchBL7QU3prlX5MMm8jBdV4jFFiTIs5rsKuP9A+1UHXbs+AfpcI7AJ5llwxXGkuFaWN7CA==
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

2026-09-17T09:58:22.504357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082785
observed 78e46069867a0af7148b0bfa6ac2deb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.488967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082785/manifest.json
observed 808e6a7c5c78084bdd6fad05808c5fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.471173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082785/publication.md
observed 3d1bdf4b7a4af2f68b4b537c8954d2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.453976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082785/publication.txt
observed 79df8c6a0402476e58b01f52ed2fde08...
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.