OpenTechnical

OT-2026-000087022

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000087022) never changes.

Identity and time

Publication numberOT-2026-000087022 · never reused
Internal UUID01a0ae9a-9f2d-7c67-a515-8fc9e054c127 · 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-2026-000087022
StatusPUBLIC

Content hashes

Canonical textca7c65e6264f91dd34168a70bd8397063d65097e9aeb05e2b5878e1d71945079
Markdown54a8d2a9051c5ec1c2c3301c6698beed811dcb573e702d356e56556ed532fd72
PDF
Publication pagea9a0dbf9305d0c5b0f4cd24ec176d33ad8f236a1e1e2ced3926675b35d296f6b
Manifest64b87d773bac64074f3e46858f3d65b821ee4e0d59a9fb172f7f2c3f55e481eb

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
Signature3Wq6S+Yf6rbteGmDDZzTLqCkTurrACM72Dk6nCsIwQqeV1gJhujisOfCtshnKXAgHsmdDCDMxvdvmO0xSTq/BQ==
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

2026-09-17T09:51:14.685997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087022
observed a9a0dbf9305d0c5b0f4cd24ec176d33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.670676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087022/manifest.json
observed 64b87d773bac64074f3e46858f3d65b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.653562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087022/publication.md
observed 54a8d2a9051c5ec1c2c3301c6698beed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.637445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087022/publication.txt
observed ca7c65e6264f91dd34168a70bd839706...
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.