OpenTechnical

OT-2026-000070895

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070895) never changes.

Identity and time

Publication numberOT-2026-000070895 · never reused
Internal UUID01a0ae91-8c2d-7881-9d8b-f7e23889fce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070895
StatusPUBLIC

Content hashes

Canonical text73f5b7902d5fa751f1a986039d8b49eeaa63a7c374c2ef8ad203e65aea54559d
Markdownaacaffd950012f1715648d9117c03fe09a69ef37bf705eff51060bfad183c0fd
PDF
Publication paged9f82f42d3718438d470ade48f6f6e0997ddab9d72b2bed8b7ca5636d4924504
Manifest839a5293bae0be38ffceb6413f2134fb92cd118a83e04e103b8c0f3c5bbf5b2a

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
SignaturemNUSvYf2emL+CCHR8YkmvYgCFpVkWb3HrrU81L95U2zB+wpBiom7JgnZtodyxk2NlvYK/8d0UeLnEPhQS9k5Dw==
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

2026-09-17T10:25:43.363500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070895
observed d9f82f42d3718438d470ade48f6f6e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.348208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070895/manifest.json
observed 839a5293bae0be38ffceb6413f2134fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.331840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070895/publication.md
observed aacaffd950012f1715648d9117c03fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.315284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070895/publication.txt
observed 73f5b7902d5fa751f1a986039d8b49ee...
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.