OpenTechnical

OT-2026-000078149

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000078149) never changes.

Identity and time

Publication numberOT-2026-000078149 · never reused
Internal UUID01a0ae95-6e8c-703f-b689-827b489baa40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078149
StatusPUBLIC

Content hashes

Canonical textcdd98e5970b3c30ed405fd2b00cfb4391c9a6a1315f03bec29bd2bccb5c603d5
Markdown6eaf05a370548d11f494735e08fd530f89865b30c1115197e010865c4ba8437e
PDF
Publication page35ba6dc1ef31908b984094d3d9b71f7785c3839c28c2366531d9e5458a93ab2a
Manifest46c5c0566904e900f6bebe8217c6c390b3ea43a4bfcfa9a735466ffe6a2f4e38

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
SignatureohQVF7sQJV41re8roq8xLRGoXjuV4F4X1liCeawAztCbdZHizpOgdA4qB+iRTBQkzVJ8802qvdkjRSZo5Q8nBA==
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

2026-09-17T10:06:51.857185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078149
observed 35ba6dc1ef31908b984094d3d9b71f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.838251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078149/manifest.json
observed 46c5c0566904e900f6bebe8217c6c390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.753986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078149/publication.md
observed 6eaf05a370548d11f494735e08fd530f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.734964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078149/publication.txt
observed cdd98e5970b3c30ed405fd2b00cfb439...
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.