OpenTechnical

OT-2026-000015764

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000015764) never changes.

Identity and time

Publication numberOT-2026-000015764 · never reused
Internal UUID01a0ae6e-0c4c-7676-ab6f-6529a2e5544d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015764
StatusPUBLIC

Content hashes

Canonical textd0adea172c940b04f67b7bb3ddcb368b95cb4a061a840cd532b9b368cdca66ed
Markdownb73e0b5d532279736a0fb72cbff90c3b1b866d7e75c116fa55f229fcf51729aa
PDF
Publication page228ac924fa85b62072cfd692c9be84b9df035939046798242887e1ae20513b36
Manifest4bd0b7b98c7a51c310ba7379680906e75481ec8f0a2a509a1a71c92ebbc054b1

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
SignatureyNzrqPMKd3YLwfJ6sMgtypAvNPwjGkrYeYeIc3pwf7zOZhKJQ/WNdVWu13yfNohJ8lbWrB7fu0hVA4S0j3cnDw==
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

2026-09-17T12:05:03.641605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015764
observed 228ac924fa85b62072cfd692c9be84b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.621919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015764/manifest.json
observed 4bd0b7b98c7a51c310ba7379680906e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.603939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015764/publication.md
observed b73e0b5d532279736a0fb72cbff90c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.585961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015764/publication.txt
observed d0adea172c940b04f67b7bb3ddcb368b...
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.