OpenTechnical

OT-2026-000091545

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091545) never changes.

Identity and time

Publication numberOT-2026-000091545 · never reused
Internal UUID01a0ae9c-f16e-7618-b306-8bf2aee61688 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091545
StatusPUBLIC

Content hashes

Canonical textef06ec8b45f7e76327307703034628f038965dfbf58bfb4ac21517e192d50117
Markdowncf2148f2127a6b798670c95363daebe02986308c4bc2721c71c7bfcb074dbc2b
PDF
Publication paged623d373e055534e7090f174944a22bc83fbbb636acdcf2f0cf10126bdd02f6b
Manifestad19e9340ad28c7616796ac39bf71b48aa4b73ec2cc6b3e56b39dcebaad89b12

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
SignatureM3y37CU5fuS3WC+ma3zQRO3QrGu8/jUbXzAJIEyNxRYTclai/YcFQ5wo9AyC0Syyt8tyXzqCGepaieyTDN+pCg==
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

2026-09-17T09:43:48.835860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091545
observed d623d373e055534e7090f174944a22bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.819973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091545/manifest.json
observed ad19e9340ad28c7616796ac39bf71b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.803197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091545/publication.md
observed cf2148f2127a6b798670c95363daebe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.787703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091545/publication.txt
observed ef06ec8b45f7e76327307703034628f0...
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.