OpenTechnical

OT-2026-000070529

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070529) never changes.

Identity and time

Publication numberOT-2026-000070529 · never reused
Internal UUID01a0ae91-5460-7332-bab0-1236fbacbfaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070529
StatusPUBLIC

Content hashes

Canonical textc7ca67ef260aecd17e4adbc420f229e44bb5686733ba6e3609242dd019cfef12
Markdowna42f21c4dde5c49e5a47f5af92e225f6e2c0d39940a2bba4ab6529f825fafd3f
PDF
Publication page8479ef65c655bffbe9b1c65bb7ec7241a502674369bac7c1d5dbb356f3ef1fe0
Manifesta2c8d705b632086553ad8d5f2c6463f97d9b8eeeea911299d79414ce1dca4367

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
SignaturerSfMNb64FA28oadOm+YqWwzkcTRrsHQxJ0/1llpVK5Z8Qbn5/GG8iPGaVLS8Tu+QOoZL0PpKGAXXMA8NdS82AA==
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

2026-09-17T10:26:22.454974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070529
observed 8479ef65c655bffbe9b1c65bb7ec7241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.437046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070529/manifest.json
observed a2c8d705b632086553ad8d5f2c6463f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.420688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070529/publication.md
observed a42f21c4dde5c49e5a47f5af92e225f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.402532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070529/publication.txt
observed c7ca67ef260aecd17e4adbc420f229e4...
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.