OpenTechnical

OT-2026-000091418

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091418) never changes.

Identity and time

Publication numberOT-2026-000091418 · never reused
Internal UUID01a0ae9c-f16d-71fa-9d22-533f27128746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091418
StatusPUBLIC

Content hashes

Canonical textbf0390c8ad5245ca412f13787faf723639e0601cf48976f67a6a8404650254e9
Markdown31a6e93efa9adee1968760984b3be7380f3ce946234a6ef31889eac9c5a6a8c5
PDF
Publication paged029bd4b87efec6b739908cb58c7faa7c4108bedcb1b209383dee7536b6e89e2
Manifest15c54548535c6435910ba5982d45ac7f7d85ce971b742296360d045b823c340b

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
SignatureoY80MVddCyMy46ajwqJLv3zCaawcQGTnJC0FQeFBNBxc3o2S2nayVLjjtk6BM1be0MDUsu+WXwsuqfpWC5iWDw==
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

2026-09-17T09:43:39.247862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091418
observed d029bd4b87efec6b739908cb58c7faa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.229518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091418/manifest.json
observed 15c54548535c6435910ba5982d45ac7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.209596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091418/publication.md
observed 31a6e93efa9adee1968760984b3be738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.190373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091418/publication.txt
observed bf0390c8ad5245ca412f13787faf7236...
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.