OpenTechnical

OT-2026-000077823

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077823) never changes.

Identity and time

Publication numberOT-2026-000077823 · never reused
Internal UUID01a0ae95-2ed0-7862-b670-9866dde56331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077823
StatusPUBLIC

Content hashes

Canonical textf22ca33558187f3e23463570d9ead1d2964760c32991f6891ad37ec0d3d7aba8
Markdownc11795b219277d3805eaa1c121702faadd668f2294e462d558aec5dc650d02ca
PDF
Publication pagee8a7676cc3ebf1ad08182c9fc21825442b09a6dee3dccdbbedd6a387b1a7a410
Manifest68fa69a106f8211116bb20e7f528a3657a18e84d06282054595e30581006d21c

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
SignatureX5gSYO5SCZsEVn6e4Jzu2sVVj3z5VgNZ9c4OK0kKRCWRN2Jw+nuvphfY8L46xMHFwvj5hJRHDj7JFBVpbmRGBA==
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

2026-09-17T10:07:25.000496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077823
observed e8a7676cc3ebf1ad08182c9fc2182544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.981473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077823/manifest.json
observed 68fa69a106f8211116bb20e7f528a365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.962333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077823/publication.md
observed c11795b219277d3805eaa1c121702faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.942998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077823/publication.txt
observed f22ca33558187f3e23463570d9ead1d2...
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.