OpenTechnical

OT-2026-000084241

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000084241) never changes.

Identity and time

Publication numberOT-2026-000084241 · never reused
Internal UUID01a0ae98-5b60-7b06-a8ed-7a315057070e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084241
StatusPUBLIC

Content hashes

Canonical texta82eb0bb77326e3f05975d50583455cdd431eed6c97475a938dadfd5557a643f
Markdown3485ee7ad1a68ae6bc707da886966aa9c2c3c4f646fa62696725ebdbb6eed24a
PDF
Publication page9244518352b5718746858e06b9ffc28b253a676034603da2505840e506f9fe70
Manifest05b3c0c0014f2a5e138589e2d1fc35a614cd80d742b8f513659de663e7ac5d92

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
Signaturev4ag5cdJ6uZLxd1ePcc4UcVeMZouhBayFCOZTI/RyOXqbcTlGtKzTPrQcKZIDfHnXtnib2Ly9p+6PUZCa4OcAQ==
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

2026-09-17T09:56:02.359163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084241
observed 9244518352b5718746858e06b9ffc28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.343269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084241/manifest.json
observed 05b3c0c0014f2a5e138589e2d1fc35a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.324419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084241/publication.md
observed 3485ee7ad1a68ae6bc707da886966aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.305837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084241/publication.txt
observed a82eb0bb77326e3f05975d50583455cd...
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.