OpenTechnical

OT-2026-000079027

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000079027) never changes.

Identity and time

Publication numberOT-2026-000079027 · never reused
Internal UUID01a0ae95-ccbe-7c32-9e82-dff5d0507048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079027
StatusPUBLIC

Content hashes

Canonical textdd4619a07d8d803bdf1038a3f1e0d908eaf51b3d378e40418a2afa7fc0a00931
Markdownc3fb8ad72cc40a18249f3950e98917592d34ddbbfbc214c78c0e000c8f169f62
PDF
Publication page6d3dcbf12b0b39f5a539bbb4ec8e385ee1fab01eee382cda9c9bd0bc73d480e8
Manifest95d3fed5f0fca4039531b75884e5894e98942c1593f6be9a7b92557f92c22168

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
SignatureoizyOl+uQlM47Kq3akZuCFjWvjoamcslxXqkWf6SmrF2qnoTdOm4EdlAHYNAjejttBEeq95LhWvw+feTP8aiDg==
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

2026-09-17T10:05:51.954774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079027
observed 6d3dcbf12b0b39f5a539bbb4ec8e385e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.936510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079027/manifest.json
observed 95d3fed5f0fca4039531b75884e5894e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.918460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079027/publication.md
observed c3fb8ad72cc40a18249f3950e9891759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.900427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079027/publication.txt
observed dd4619a07d8d803bdf1038a3f1e0d908...
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.