OpenTechnical

OT-2026-000084309

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000084309) never changes.

Identity and time

Publication numberOT-2026-000084309 · never reused
Internal UUID01a0ae98-5b61-7b26-a48d-5c391f79df81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084309
StatusPUBLIC

Content hashes

Canonical text2c04ea64e02b5c00cf5f126252a0a145a5c6e553825bb6afab7c2ffa1b778b2d
Markdownb0f207e39e08af40d4b70a5183558c23c06ce427bbdde25003a8b32d73d7ce51
PDF
Publication page73d851d67e93f414016c743e426adc3538ac96b4a7137db3076370a2b9e85106
Manifestae7430711efcbe939fc05f4635db1aa247ff02aca237583c7e0fc4288d1301bc

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
SignatureaiSbhfkrg5AuW3pLxSOf1GiTmi02gm6ZvGVhHR6eOQYH0RPVo7moqh3+2Zyv/QcfHnrBnLzYbsScM6JuGnD6Bg==
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

2026-09-17T09:56:13.876571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084309
observed 73d851d67e93f414016c743e426adc35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.858294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084309/manifest.json
observed ae7430711efcbe939fc05f4635db1aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.839389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084309/publication.md
observed b0f207e39e08af40d4b70a5183558c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.820907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084309/publication.txt
observed 2c04ea64e02b5c00cf5f126252a0a145...
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.