OpenTechnical

OT-2026-000079658

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000079658) never changes.

Identity and time

Publication numberOT-2026-000079658 · never reused
Internal UUID01a0ae96-0b93-7392-b9c9-233f69220d91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079658
StatusPUBLIC

Content hashes

Canonical texte60be6064c051bd3055b7171f160559e8b711ea1c2d13feb36d81c77eb92e84f
Markdown5166dc6485261feae009455b7ce6a2824a7b96ec65ff3056d61f519a120b8f40
PDF
Publication pagec19200cb2978d3b52138a7e1e6e51a0961dee11c237586b1503479db4d2270dc
Manifest52b68de6fef92f025c429ca2334fb6057dd07cb4a4205632886fd988e111e59b

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
SignatureafYHQRZ3i0VodZRgcF7r/tZhYyaF3G3oK1R3CAzGpUf0iO7QyjkFWCX7ZOdHBqQLvawv+nbc98tm4l111BCDCQ==
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

2026-09-17T10:04:09.398018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079658
observed c19200cb2978d3b52138a7e1e6e51a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:09.381084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079658/manifest.json
observed 52b68de6fef92f025c429ca2334fb605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:09.362303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079658/publication.md
observed 5166dc6485261feae009455b7ce6a282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:09.340565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079658/publication.txt
observed e60be6064c051bd3055b7171f160559e...
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.