OpenTechnical

OT-2026-000005546

Publication integrity record

Bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, contact triggered

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-2026-000005546) never changes.

Identity and time

Publication numberOT-2026-000005546 · never reused
Internal UUID01a0a93c-b8f2-7292-bb32-3a7724ce3410 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:04.149150Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005546
StatusPUBLIC

Content hashes

Canonical textab9749f2108462aeb8d2ff61b4e3200b17a2baccbb277b5acb2acc9c60c20fbf
Markdownbe3eee170775f8706a4279d615964ece386915ecd4d989fa7c529bc203a1eefb
PDF
Publication pageb84cc671ed7ababceb2deb5877cc1d3d16bade9992241509c5bb136929bf30f3
Manifest51b295c10df8492af415c5364922f2be779a5d9d97b7006ea352ea051e56e6ee

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
Signature4Z8gDzkZHGk0pGg//7VrwmrFgTVk5pw3AmEHA1WB9GpmbsT7y2dzW2G8kZvg+sJBjclYeVocHF4MxCHy4Lf7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:28.215721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005546
observed b84cc671ed7ababceb2deb5877cc1d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.200444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005546/manifest.json
observed 51b295c10df8492af415c5364922f2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.186657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005546/publication.md
observed be3eee170775f8706a4279d615964ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.173251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005546/publication.txt
observed ab9749f2108462aeb8d2ff61b4e3200b...
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.