OpenTechnical

OT-2026-000006195

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, vented before set down, polyurethane 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-2026-000006195) never changes.

Identity and time

Publication numberOT-2026-000006195 · never reused
Internal UUID01a0a952-8fdc-7068-a031-268e587124f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:55.423116Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006195
StatusPUBLIC

Content hashes

Canonical text397ac54fdb2bd35d8f0437a0bf608feebefb5ab876fe0d5af484970524c9913b
Markdownfa91b1bc8e4a89db4e3f2ae0a61a5c266d374156ebc6c65b1960afe4decfae54
PDF
Publication page77591115cd26c0923be1d36d621b9a56c0aad267d131e3e13df257188d0150ee
Manifest502cbf2f10a99e136c253e28771afba5cf02739ae46e528166a3304c66c8f2d7

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
SignatureUUhnEP8rtrY0Vpsq5NDLSswLpD+pCaqiYD3bBeu2LF+f5PVGfy40v5dQqd/RNo+AuXlF59FSrvjEBtQrYrV6Aw==
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

2026-09-16T08:30:16.452772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006195
observed 77591115cd26c0923be1d36d621b9a56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.435215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006195/manifest.json
observed 502cbf2f10a99e136c253e28771afba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.420941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006195/publication.md
observed fa91b1bc8e4a89db4e3f2ae0a61a5c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.405739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006195/publication.txt
observed 397ac54fdb2bd35d8f0437a0bf608fee...
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.