OpenTechnical

OT-2026-000088080

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000088080) never changes.

Identity and time

Publication numberOT-2026-000088080 · never reused
Internal UUID01a0ae9b-1aa7-7f7f-95f4-f38e389011ad · 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-2026-000088080
StatusPUBLIC

Content hashes

Canonical text19f1c9e17ee94feb03492931e210e3975de8e4550992d1ff4c1a8c45464fdd9a
Markdown11550c18f5be774f34da1a8a0c5a518a66411e3a0b26f5035dde7b976505b8fb
PDF
Publication page420307e5556087a19d1cb545b30c1e80836f6a16f330f7736e19d48ad8ed063a
Manifest23acd35dd082081712451725ee6e7abb4e72712feea4eb162681653c9e6de7a1

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
SignaturerIYHwDDyWad0HAR7aZ2FwSP4LKX44aZbts9q8Rt0n+W+rl/jIZzuAhVxPqA/DIa6iq08qPyTij82TOsNdTQSBA==
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

2026-09-17T09:50:05.014863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080
observed 420307e5556087a19d1cb545b30c1e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.994867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080/manifest.json
observed 23acd35dd082081712451725ee6e7abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.974142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080/publication.md
observed 11550c18f5be774f34da1a8a0c5a518a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.956476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080/publication.txt
observed 19f1c9e17ee94feb03492931e210e397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.201739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080
observed 420307e5556087a19d1cb545b30c1e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.181738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080/manifest.json
observed 23acd35dd082081712451725ee6e7abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.163492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080/publication.md
observed 11550c18f5be774f34da1a8a0c5a518a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.144795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088080/publication.txt
observed 19f1c9e17ee94feb03492931e210e397...
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.