OpenTechnical

OT-2026-000085052

Publication integrity record

Three cup vacuum gripper, three 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-2026-000085052) never changes.

Identity and time

Publication numberOT-2026-000085052 · never reused
Internal UUID01a0ae99-43b8-7278-ad78-885d068b20c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085052
StatusPUBLIC

Content hashes

Canonical texta195c349ceaab6b55a37c6ed82e11906c375363a9d4ba10ee47727f4ea399944
Markdown1caa078219fb4488f621e316a4471db43549c11a52e8839132b747cf7104ea03
PDF
Publication page39b8d4d4db36ac9a95f3849816a68e941357291763b4f1dffad3314cd3352ef2
Manifestcdba93058e6c9b2c2ea6641e168334019ae63474966ca4a675718d72b7b9eeb1

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
SignatureQ9/7v/OsikDZ/SPs/Zo4rFFWT/rclVlCbOz2dm0eUGFD5gXdASlfZzkaPQAjTx7vLp5u3upQt6AoqN90YVq4Bg==
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

2026-09-17T09:55:04.315506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085052
observed 39b8d4d4db36ac9a95f3849816a68e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.298185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085052/manifest.json
observed cdba93058e6c9b2c2ea6641e16833401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.280531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085052/publication.md
observed 1caa078219fb4488f621e316a4471db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.261334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085052/publication.txt
observed a195c349ceaab6b55a37c6ed82e11906...
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.