OpenTechnical

OT-2026-000006178

Publication integrity record

Porous face vacuum gripper, three outlet manifold, two stage ejector, contact triggered, open cell

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-2026-000006178) never changes.

Identity and time

Publication numberOT-2026-000006178 · never reused
Internal UUID01a0a951-fe31-7d65-a8cf-1b1026b51d07 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:18.132052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006178
StatusPUBLIC

Content hashes

Canonical text5184ac20f3b0629b0c3d56b30ef936da1756cc3e138c4afe257681390522f0c1
Markdownd9f556627732313905f4ff8c084aa50a07758e8483e3af87d9b4997001655800
PDF
Publication pagef0d35e5308f818fe1e2774f6758db63940b82abcd146a179e9a50d81fb2cd115
Manifest8d066d40b2c8e06c5e0ab55a5784d8b298e4170f9bda8790fc7235a0edf4bd1f

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
Signaturev3MrNXtIsHeEqdZUC0plvVsuBqu1Rk9zMUImWQdJ4/ZXJH0FvpUJtUANwoDxzHTv0AHxv+7NsPI3yQf14nlwAA==
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

2026-09-16T08:44:09.491560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178
observed f0d35e5308f818fe1e2774f6758db639...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:09.202226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178/manifest.json
observed 8d066d40b2c8e06c5e0ab55a5784d8b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:08.954607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178/publication.md
observed d9f556627732313905f4ff8c084aa50a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:08.630534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178/publication.txt
observed 5184ac20f3b0629b0c3d56b30ef936da...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.704941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178
observed f0d35e5308f818fe1e2774f6758db639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.692352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178/manifest.json
observed 8d066d40b2c8e06c5e0ab55a5784d8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.677978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178/publication.md
observed d9f556627732313905f4ff8c084aa50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.663970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006178/publication.txt
observed 5184ac20f3b0629b0c3d56b30ef936da...
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.