OpenTechnical

OT-2026-000016790

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000016790) never changes.

Identity and time

Publication numberOT-2026-000016790 · never reused
Internal UUID01a0ae6e-5919-74be-99cf-063f4fad4bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016790
StatusPUBLIC

Content hashes

Canonical text4ab9d626b3aac6da4df5ff4849a10f698cef10b51649f3cd09a7b517cae4b8b5
Markdowncd5ba324e5937d92ad8c3067c716e4561d9afd785672a76583603c452031cb75
PDF
Publication page98b97a93b1e3cba0c6521875700a0a0e93da7b00777fe90f60da039ba6073509
Manifest6d5bbcb8364882405f9ff9d9cccdeea50a3c42445a76268a4064bb3c28e4372d

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
Signature/9MbDNtvn4o9Ou2vx6F3ZrfofrHlh56JGfxo7KQwfO5rOG4J8QLh4xMe/k2YA+4GbBajznuORnoKADkpNwiBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:02.287937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016790
observed 98b97a93b1e3cba0c6521875700a0a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.272006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016790/manifest.json
observed 6d5bbcb8364882405f9ff9d9cccdeea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.254816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016790/publication.md
observed cd5ba324e5937d92ad8c3067c716e456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:02.238190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016790/publication.txt
observed 4ab9d626b3aac6da4df5ff4849a10f69...
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.