OpenTechnical

OT-2026-000078177

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000078177) never changes.

Identity and time

Publication numberOT-2026-000078177 · never reused
Internal UUID01a0ae95-7c26-703a-8870-c3c7275a4d89 · 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-2026-000078177
StatusPUBLIC

Content hashes

Canonical text2b834c8c1e689d4f117677f3cdff3ffb548a7c4760d9acdbd1e8197a0548e316
Markdown5846755df99bb6321eac7264b28f873ee5e6b62641a0d6fdc7733936d1c1ae3a
PDF
Publication page88703ff92cc0bf3fdcfa429f5b6fbe340df0e9e8bc83fbeef76c870878754760
Manifest3e0a4b2bfe5231c9f3bfb20de3c82e586eb9e30a14ccc701b7fe2ea1d1957b5a

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
SignatureAfWQ1pEMBbyKs9Rzgiq7nAgBj9jFAUFW20mU/IO3+kTYAtk3Z+qzJfU2igaQIOcI+CFz6o+d1e0uZrKar6rMDw==
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

2026-09-17T10:06:07.273154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078177
observed 88703ff92cc0bf3fdcfa429f5b6fbe34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.254257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078177/manifest.json
observed 3e0a4b2bfe5231c9f3bfb20de3c82e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.233577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078177/publication.md
observed 5846755df99bb6321eac7264b28f873e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.215107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078177/publication.txt
observed 2b834c8c1e689d4f117677f3cdff3ffb...
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.