OpenTechnical

OT-2026-000087075

Publication integrity record

Foam pad vacuum gripper, four zone face, four 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-2026-000087075) never changes.

Identity and time

Publication numberOT-2026-000087075 · never reused
Internal UUID01a0ae9a-9f2d-7409-9d94-330c048896d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087075
StatusPUBLIC

Content hashes

Canonical textf5770250769271881e727f8938cd636c416063b338f03dee7c089baee19807e4
Markdown15b4a2ac21bebc7a069c321179db149e5d46807982f40559e5ab054c434171e9
PDF
Publication page2e62f75de55a868a586b7192b9647c6eef47fb642fc5653e5c537c92a04deeac
Manifest097a21d09c849d5b267b62843ffd3a5c52ada21da3eb1e6794869bbc4caa4071

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
SignaturefVMbzTTdYc7NjRdlUkPY8fxkTpYiJcAQsIkXJlwIA128CL4ShY20k2Lu7KKQGKQ9UQRUq8trOCg/yvpQ+GZeBA==
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

2026-09-17T09:51:19.927854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087075
observed 2e62f75de55a868a586b7192b9647c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.910315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087075/manifest.json
observed 097a21d09c849d5b267b62843ffd3a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.892767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087075/publication.md
observed 15b4a2ac21bebc7a069c321179db149e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.876047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087075/publication.txt
observed f5770250769271881e727f8938cd636c...
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.