OpenTechnical

OT-2026-000095681

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single 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-2026-000095681) never changes.

Identity and time

Publication numberOT-2026-000095681 · never reused
Internal UUID01a0ae9f-fac4-772f-ae01-b354481b249f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095681
StatusPUBLIC

Content hashes

Canonical texteed1fe9a1e2c71a98e8b8693a7b9cec9ccdab2280252445ac92217e6bc2d3c54
Markdown7b75080a53b71458f7cc4c4e99c49c389eecd1efe438a751241e8180766c3963
PDF
Publication pagef72a70a6f6ffaa541f8b55909c0eb88a1996fdcb57c8c67131d625df8ad5edca
Manifestbf96143cf6e569dbc508cc9ccf60cca5dfb7566156133a48d36f1197894549ea

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
Signature9HjPxzSAv2IcdTV7SxbpTB1E1eCE2FIgWRwkLjLevQpwH8JoLDZUWSRU6gO0wlXl0DuEH/YxrV+cOC+p8jACAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:09.439870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095681
observed f72a70a6f6ffaa541f8b55909c0eb88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.420882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095681/manifest.json
observed bf96143cf6e569dbc508cc9ccf60cca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.404655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095681/publication.md
observed 7b75080a53b71458f7cc4c4e99c49c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.386119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095681/publication.txt
observed eed1fe9a1e2c71a98e8b8693a7b9cec9...
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.