OpenTechnical

OT-2026-000070634

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000070634) never changes.

Identity and time

Publication numberOT-2026-000070634 · never reused
Internal UUID01a0ae91-8c2b-7943-949e-f0f6dd1323ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070634
StatusPUBLIC

Content hashes

Canonical text2d56b2b35ac480d00fa50373f63e8275ef22e37c83edd8ee4a9743b041583d51
Markdownb21e0e709ddf9cc62b10df4f06172faf027cfa9cae89e1b54b0260265fdda0c1
PDF
Publication page7bdc4807672a74f7233e613e217389a7d2832d7e4f075604e0a2e105dd257835
Manifest1d8cc0d973279033c7ee26c95569e25a509fa9cc146af2c6c40775e2099329eb

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+IkryQyj9r8OA0/KfXlnEC1Ii7u1fQQqYV9HkmC2RP4takQeLrm5THpKgkLCxfksEHimDxjB9o/TxcE+kUxtBw==
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

2026-09-17T10:25:18.251980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070634
observed 7bdc4807672a74f7233e613e217389a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.233509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070634/manifest.json
observed 1d8cc0d973279033c7ee26c95569e25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.213123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070634/publication.md
observed b21e0e709ddf9cc62b10df4f06172faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:18.194705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070634/publication.txt
observed 2d56b2b35ac480d00fa50373f63e8275...
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.