OpenTechnical

OT-2026-000084877

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000084877) never changes.

Identity and time

Publication numberOT-2026-000084877 · never reused
Internal UUID01a0ae99-43b4-7ef0-aada-6f4aca67ece3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084877
StatusPUBLIC

Content hashes

Canonical text87aceca2d8bcad88bd963290a47343f876b6d2844b95ef30220edb354a9eeea1
Markdowncde67bb5e1acb39c456dbe6aa73aaabf82e2bdb91264cc7dc07638f5240accad
PDF
Publication page346522ab8be972d2b96557ce20645959b8775fd4856aa70118c55b410a3e17dd
Manifest9029b6e85ff7b37ce3c19a988fa57972dedc406906f397949a9e82826846f501

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
SignaturevtbPYRcADAipjksR+5IzG/IfyNgzjtXnionP4PHpAGjg0/vG3M8vucGVHdaPTEip3kYDS00P3+E7AFiP5g8DCQ==
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

2026-09-17T09:54:51.010973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084877
observed 346522ab8be972d2b96557ce20645959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.993381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084877/manifest.json
observed 9029b6e85ff7b37ce3c19a988fa57972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.975892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084877/publication.md
observed cde67bb5e1acb39c456dbe6aa73aaabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.958016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084877/publication.txt
observed 87aceca2d8bcad88bd963290a47343f8...
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.