OpenTechnical

OT-2026-000078369

Publication integrity record

Three cup vacuum gripper, three 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-2026-000078369) never changes.

Identity and time

Publication numberOT-2026-000078369 · never reused
Internal UUID01a0ae95-7c28-71fd-95c6-2f21c6341656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078369
StatusPUBLIC

Content hashes

Canonical text573ab4ca6431d3672cada772697e12284e7adeb2ce0ccb3fef7e014c01ef59bc
Markdown15ad2381ac96afa0710e3b6621277fe2b736f59c3400a1fb6cc3c7ae7594872e
PDF
Publication page1d7972fdc65e7e1ae72dda2cde20c3876f1c6dfa6f6c1b63bd46464176932a21
Manifest816c7e395fe00e212f7cd1b4abc637f7925b6f662b621c4866babeb5ab16f111

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
SignaturemRV8Z+NgrhyiTz0KTS5ihVOq30JqmWse6SrzGo3VQgajmiT1N2s8bbx2Pt4zh8MJaf8MYWuJYO0m/tmrvMJwAQ==
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

2026-09-17T10:06:20.442690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078369
observed 1d7972fdc65e7e1ae72dda2cde20c387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.425089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078369/manifest.json
observed 816c7e395fe00e212f7cd1b4abc637f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.406036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078369/publication.md
observed 15ad2381ac96afa0710e3b6621277fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.386780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078369/publication.txt
observed 573ab4ca6431d3672cada772697e1228...
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.