OpenTechnical

OT-2026-000077045

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000077045) never changes.

Identity and time

Publication numberOT-2026-000077045 · never reused
Internal UUID01a0ae94-f506-7ce2-b86a-43b9fd05132b · 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-2026-000077045
StatusPUBLIC

Content hashes

Canonical text4fa6ec04078f246d8620189ae5311e8b1e9a8758fbb6627a69d55447b4c805d5
Markdown86f28e315d10b5a79e1d626385f0668496f3abdf76cd9b3d683de9d8011a5dc7
PDF
Publication page0eff8f9e60381fe8a1b43db8a8e56e9a8ff270c469a7c55bf470c9f2cb98e00c
Manifestc6ed5697a43beb1a49efabc32471ded65b1c109de0e7d2fa6037407e2353aa7f

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
SignatureJgMNG7b6bLv2dycctDUFe6+9L8BeS+/uwcNlQoBebkKyJIXLdbX1PTNv0C6XW99Ae2iQtH4h24t0SiKcJdGJAA==
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

2026-09-17T10:11:13.019214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045
observed 0eff8f9e60381fe8a1b43db8a8e56e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.001544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045/manifest.json
observed c6ed5697a43beb1a49efabc32471ded6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.982213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045/publication.md
observed 86f28e315d10b5a79e1d626385f06684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.964177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045/publication.txt
observed 4fa6ec04078f246d8620189ae5311e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.507243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045
observed 0eff8f9e60381fe8a1b43db8a8e56e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.488586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045/manifest.json
observed c6ed5697a43beb1a49efabc32471ded6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.468101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045/publication.md
observed 86f28e315d10b5a79e1d626385f06684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.450320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077045/publication.txt
observed 4fa6ec04078f246d8620189ae5311e8b...
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.