OpenTechnical

OT-2026-000077321

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000077321) never changes.

Identity and time

Publication numberOT-2026-000077321 · never reused
Internal UUID01a0ae94-f509-7d56-99cd-15d7e413fc9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077321
StatusPUBLIC

Content hashes

Canonical textca00cef369de051532c0054b1bd0b0fb15a10a1967642e34b907bed48ae0f496
Markdown3d24e5ef370fbe72d190cc7279484de5119c5f8c4faf1882361d099235fe0f4c
PDF
Publication page6ef82fc02992eb23b0be65f42747d882002a85516e02b2e435d572d44fda570a
Manifest47e0776d4c93d185c8625a619846ebed00f10476c326f3b1f8463bf00193d2fb

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
SignatureTGnYtYPgbig+Lr8HcB3PyhCwhelyv9j+v5up1vG5maFCchHUpdgBVqZrOQXnPj9FTzxXjRLTX9QOdEyPsbPgAg==
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

2026-09-17T10:08:57.584512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077321
observed 6ef82fc02992eb23b0be65f42747d882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.566507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077321/manifest.json
observed 47e0776d4c93d185c8625a619846ebed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.548545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077321/publication.md
observed 3d24e5ef370fbe72d190cc7279484de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.528772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077321/publication.txt
observed ca00cef369de051532c0054b1bd0b0fb...
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.