OpenTechnical

OT-2026-000006633

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified at each zone, contact triggered

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-2026-000006633) never changes.

Identity and time

Publication numberOT-2026-000006633 · never reused
Internal UUID01a0a962-0bf6-74a0-b6fe-3f27acd723c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:50.233264Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006633
StatusPUBLIC

Content hashes

Canonical textaaa1f8339f4cad95e2de78df173c574fb37baf88c0b164e9f06fd0f218e2f14e
Markdown0c910b2097e9e4906844e0f39a75df2bdb2319714f0af079cbf89349b11e47be
PDF
Publication page84fa5c8399588d77084952328a876af5c5a4581ce39e0536e8b3550cd1605497
Manifest38f5d1cac7007811ef31605ec4c1420e6c5db24012a89067ba8bdc75fc816527

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+rwMoGg2AcvTyT8qpWq64xZUmqj28yjaBX4yXDXNj9dYHPVfsaIb1tjcHk8PriLLhO5s++LZiWkAN2eZxzNtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:23.005889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006633
observed 84fa5c8399588d77084952328a876af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.993572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006633/manifest.json
observed 38f5d1cac7007811ef31605ec4c1420e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.980900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006633/publication.md
observed 0c910b2097e9e4906844e0f39a75df2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.965217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006633/publication.txt
observed aaa1f8339f4cad95e2de78df173c574f...
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.