OpenTechnical

OT-2026-000027778

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027778) never changes.

Identity and time

Publication numberOT-2026-000027778 · never reused
Internal UUID01a0ae72-a4a4-75ef-98fd-dcb9e9916713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027778
StatusPUBLIC

Content hashes

Canonical textf6cddec646ce422325df95a6bf9f661863d6189da45976b54fdb11e9987f3a82
Markdown7cfc7e294d2be67427c14462ab3f8ac4987f5c34b50682d5a9adb985eb08390d
PDF
Publication page9cddcbc0bdfd23ed3fe85ba45f80e1df3bc8ba7d3f96b897729bda058378e5fe
Manifest8637c49dfe3546ecf68e62669693238b100b3f955a0daf6494b9791a00d2033f

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
Signature1KQC6b6ig+7jA8TMT1uUgi0EPT2QOjbG/5rJs4s7lu8IotQu3ByMYUnAY74yhhgdCfAdkX5EbylsUkntLYvgAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:41:49.405652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027778
observed 9cddcbc0bdfd23ed3fe85ba45f80e1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.388737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027778/manifest.json
observed 8637c49dfe3546ecf68e62669693238b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.371141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027778/publication.md
observed 7cfc7e294d2be67427c14462ab3f8ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.352641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027778/publication.txt
observed f6cddec646ce422325df95a6bf9f6618...
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.