OpenTechnical

OT-2026-000078171

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000078171) never changes.

Identity and time

Publication numberOT-2026-000078171 · never reused
Internal UUID01a0ae95-7c26-7dc7-ac86-a7a097c9f0b8 · 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-2026-000078171
StatusPUBLIC

Content hashes

Canonical texted30f8cba788774d31d94e7baae72d6d1a3459dc84a30418f09c7b56561b8f1a
Markdown6576218c42ff8f51fb5dd3e676214c65d0a1245084bef77b9776062c69bb1b0b
PDF
Publication pagea0a4b03a7caf911bb12c8279dbb08ad1a8e9a63a2ff7af2f76fc6f026e0a8693
Manifest96bbd2712321d4030c69c810d5943f80b943803abc90ed8b5327cc920876c9b2

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
SignatureMqav7/F41lEnyz+VcaRHaaiaJM4D8hmoi+2PkGsEFcvQFf6VcL699wPjDCGUOi/rQJBLbVbgBK06MIWJq++sBg==
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

2026-09-17T10:06:06.885529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078171
observed a0a4b03a7caf911bb12c8279dbb08ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.867453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078171/manifest.json
observed 96bbd2712321d4030c69c810d5943f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.846790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078171/publication.md
observed 6576218c42ff8f51fb5dd3e676214c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.828142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078171/publication.txt
observed ed30f8cba788774d31d94e7baae72d6d...
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.