OpenTechnical

OT-2026-000088260

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088260) never changes.

Identity and time

Publication numberOT-2026-000088260 · never reused
Internal UUID01a0ae9b-5d26-7e14-a93e-5c99affaba13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088260
StatusPUBLIC

Content hashes

Canonical textb9b705c4d134971ed646964fe4bcb7c639250d443f589be038d9fc1e71fa9a48
Markdown7810049fd33dab76ab543ceb6ad152abf6a9fcd945efb876d6b605b0fcf151cf
PDF
Publication page81384e45b688a58c6337825c4cdf8cb4a282e2e34368f67782c4233d2407ad18
Manifest18f8d24b12e5affda152dfd10e49155eeccac14bc5b2b754373b9a71395dcb28

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
SignatureAUJHbKKj0xEYrl0LYYkl0ZvePBzTsbjTNiBAea4d/iKNyO95prXf1d9Ggo5OQoFoy4wqrMPAiy+HjYXL2NlXDw==
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

2026-09-17T09:48:33.849418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088260
observed 81384e45b688a58c6337825c4cdf8cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.831227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088260/manifest.json
observed 18f8d24b12e5affda152dfd10e49155e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.813774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088260/publication.md
observed 7810049fd33dab76ab543ceb6ad152ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.795270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088260/publication.txt
observed b9b705c4d134971ed646964fe4bcb7c6...
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.