OpenTechnical

OT-2026-000086813

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000086813) never changes.

Identity and time

Publication numberOT-2026-000086813 · never reused
Internal UUID01a0ae9a-80a4-7e5d-9ebc-031832d63a9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086813
StatusPUBLIC

Content hashes

Canonical text7e9ed63520005a2a6673dcdcabb3c9515023bb5d05b1f6eb7538c5ed61ebd19f
Markdownc9f8e2044530abaedc8a86e1cf688eb226aa8f7fef0ccd06f93fb82680983ee3
PDF
Publication pagea11570a125c0b31658738e7cb0c91728e92752195e8dbcb8e6d16781a9edd250
Manifest2dafaf01adbbf74f1aee739f0c40b9bcde43004c15a8fa3a38bf2657174279cb

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
SignatureLN3osmNjM/8J/4Uqd9aO4tccmbjMMkNwTxTC5C8q6Ir/3JDKXYHirNsA1kIl0KAhr3ap4OpRtFYhk4BmwbXICQ==
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

2026-09-17T09:51:38.106817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086813
observed a11570a125c0b31658738e7cb0c91728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.088927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086813/manifest.json
observed 2dafaf01adbbf74f1aee739f0c40b9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.071591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086813/publication.md
observed c9f8e2044530abaedc8a86e1cf688eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.053927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086813/publication.txt
observed 7e9ed63520005a2a6673dcdcabb3c951...
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.