OpenTechnical

OT-2026-000087995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087995) never changes.

Identity and time

Publication numberOT-2026-000087995 · never reused
Internal UUID01a0ae9b-1aa6-7b8c-90e1-f9936c609654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087995
StatusPUBLIC

Content hashes

Canonical text759ffa097da3e27d97312a1e618eaf4d1f25dd5f876876a6d55d08dfe9506d0d
Markdowndc2b9febaf7e1de62f565fd05a20c64df520c12a93636e799b46085d7ea7dc2d
PDF
Publication page84c5d788851c793c52b8d7f8db7541a2cc997b6ea278a4052d630808c70b671d
Manifest58d73155ac6b5176d2487b22cdf0b00f4d54231e889ec43839dcff96bc7fcb89

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
SignatureAYnrVWkDmqaW6PkmB7zjK29eA5Sa4Uz07ZOC0CHbn7ys/CJaieB6EP7f2ng8HXMkKcLgmEQabf1sdbdTMfAPAA==
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

2026-09-17T09:49:17.996827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087995
observed 84c5d788851c793c52b8d7f8db7541a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.978628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087995/manifest.json
observed 58d73155ac6b5176d2487b22cdf0b00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.960287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087995/publication.md
observed dc2b9febaf7e1de62f565fd05a20c64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.941148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087995/publication.txt
observed 759ffa097da3e27d97312a1e618eaf4d...
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.