OpenTechnical

OT-2026-000087176

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000087176) never changes.

Identity and time

Publication numberOT-2026-000087176 · never reused
Internal UUID01a0ae9a-9f2e-7804-9dc7-48e65b7ea4e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087176
StatusPUBLIC

Content hashes

Canonical textfe14ddca556152b6a3f61a4437137e188e97f4f612d14e77d5d72cb35a67b665
Markdown7ad849ba3fb0de048227f40f385c47108a66711f399f7e097b998a7386cc8fe8
PDF
Publication page881cce8789f1433987d668eac81d0d3bd345684fa8779a17ae0f67126ce0a448
Manifest3415b67a085c6cd950a0d2772beabf9e421f28fff71b194df36d463d34955e89

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
Signature5t1z/qWgyFLmHvf7xxjy7fcdQ/hx0MbQcWMOu6BS6i3zI3loZ3Z4YjEVXyA7KyHz4wRAhxWMAfvVoPH/JVskCg==
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

2026-09-17T09:51:26.802305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087176
observed 881cce8789f1433987d668eac81d0d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.785530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087176/manifest.json
observed 3415b67a085c6cd950a0d2772beabf9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.765791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087176/publication.md
observed 7ad849ba3fb0de048227f40f385c4710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.748049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087176/publication.txt
observed fe14ddca556152b6a3f61a4437137e18...
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.