OpenTechnical

OT-2026-000084781

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000084781) never changes.

Identity and time

Publication numberOT-2026-000084781 · never reused
Internal UUID01a0ae99-43b3-70ec-b35f-4af919a4d147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084781
StatusPUBLIC

Content hashes

Canonical texta8c195b50de531f6d20dcc3a8173090635107b5a62392c659a7125cacfda5de0
Markdown9f07e4425b5ccf209c40cda36311cbdf526ad55c1f07b3f5d8a4a70636379f26
PDF
Publication page3c53b54e85bcf16a62ca82971f429d27b4caa8d7d0bd233b4046331b2791f32a
Manifest2561df85e2d509495b63e3c0ec30221384ecf39079c258820d46f452ccca4166

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
SignaturekuGf3DDVfcd5GPZfPm2wApfGDJS5mOt38NcyMupLDFyhuBk1kiKBn7omgXkhBBZquxpjY/cz8RN40cYXlE5xCQ==
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

2026-09-17T09:54:43.011137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084781
observed 3c53b54e85bcf16a62ca82971f429d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.992404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084781/manifest.json
observed 2561df85e2d509495b63e3c0ec302213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.974719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084781/publication.md
observed 9f07e4425b5ccf209c40cda36311cbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.956408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084781/publication.txt
observed a8c195b50de531f6d20dcc3a81730906...
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.