OpenTechnical

OT-2026-000084503

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000084503) never changes.

Identity and time

Publication numberOT-2026-000084503 · never reused
Internal UUID01a0ae98-e25a-762e-b053-cac12c25d1dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084503
StatusPUBLIC

Content hashes

Canonical textef54cd5df1fd4cf17a8e0fb1444a6a6ec807bce61644950dbc3e6154785882cd
Markdownd57d147539d75820b0ba6f2b5d3f5de06f6033f4f4dfe49c7f37af7130f1e366
PDF
Publication page55fa222b5944dec4b1eb159400d2908a59967e6db8b85d7d59711c2700ac4757
Manifest2cdb16667058ff2562b1d200cf6e9ee46e330a530eaf99321869733a74a13e68

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
SignatureHD30RNNlSb74xruBsdIm6Pjau6sphsX9DLtNIfirISBWhXqJ2ape+VWYmYoNZT3h6MxZyOvHF+zEox6/udvkCg==
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

2026-09-17T09:55:22.718594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084503
observed 55fa222b5944dec4b1eb159400d2908a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.699246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084503/manifest.json
observed 2cdb16667058ff2562b1d200cf6e9ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.681775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084503/publication.md
observed d57d147539d75820b0ba6f2b5d3f5de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.663092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084503/publication.txt
observed ef54cd5df1fd4cf17a8e0fb1444a6a6e...
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.