OpenTechnical

OT-2026-000069177

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000069177) never changes.

Identity and time

Publication numberOT-2026-000069177 · never reused
Internal UUID01a0ae90-6dcf-7d85-a0f8-b397e0d1c3ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069177
StatusPUBLIC

Content hashes

Canonical textf19109fa178fc9329bff0c1b847f8ad601c2004a1d9862b8863bcf3489ad0a82
Markdowna0b24d580973098c0fa712f1ad3877cae6c0c2ccc0d83caae51b6be381bbadc4
PDF
Publication page5894711d7ad7c9ff783b59f6f2568dd46c98b84f3f8c7adec9982db542e04e6f
Manifest04e045836b49379378d495b060ef2ed2a66706b7b9a3f5b1207a5c4bb49f9a3f

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
SignatureSNHVqWBe353HVcUgG0+jgzGBKl82RwJdfrjrQ/F0tkuiTqkub4AvPAbyPLxRykEgxlYI65BdTjTsA7Yc8dGODA==
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

2026-09-17T10:29:04.154441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069177
observed 5894711d7ad7c9ff783b59f6f2568dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.136058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069177/manifest.json
observed 04e045836b49379378d495b060ef2ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.116172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069177/publication.md
observed a0b24d580973098c0fa712f1ad3877ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.095997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069177/publication.txt
observed f19109fa178fc9329bff0c1b847f8ad6...
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.