OpenTechnical

OT-2026-000005985

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, contact triggered, vented before set down, plastic cups

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-2026-000005985) never changes.

Identity and time

Publication numberOT-2026-000005985 · never reused
Internal UUID01a0a94b-5a25-7848-876f-4a72a4cef154 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:02.919993Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005985
StatusPUBLIC

Content hashes

Canonical textca9c0343597b7eb0f76bfec33a1f2ea891504a7e26dfc9f3d9b851af994415fa
Markdownbf95446d2a4e37298d1e87990b9f8284ebe24d7be5c1af2e3110d9cb142eef2e
PDF
Publication page63436d2faadd80bc0d1a99b07d3e78550eee1385b1275bcc6f2e23cd4415d123
Manifesta13294254d1a6c6245ac68691399daa1319c2766aa77eccb9389e01c0a0fa69c

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
SignaturehlJlDcOl6fgkIkjF1dqP9vWZ0eRafVDu5yAi2i1cTrwbVjj/87cWRo298DqDo+zJGiSHOhtIxvPfjC06xWGxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:09.478291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005985
observed 63436d2faadd80bc0d1a99b07d3e7855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.462910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005985/manifest.json
observed a13294254d1a6c6245ac68691399daa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.447718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005985/publication.md
observed bf95446d2a4e37298d1e87990b9f8284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.427049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005985/publication.txt
observed ca9c0343597b7eb0f76bfec33a1f2ea8...
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.