OpenTechnical

OT-2026-000095689

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000095689) never changes.

Identity and time

Publication numberOT-2026-000095689 · never reused
Internal UUID01a0ae9f-fac4-70e8-9c7a-fa1e95e425ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095689
StatusPUBLIC

Content hashes

Canonical textb49d61928ac21539380b949a7e37560d621b2939e7e6d45a5642653a96821c40
Markdown7884bedc3b99b4c832142ca604ea7f665e7fa48775749705b930dcb2a4b5bcff
PDF
Publication page4c5a10f5485cdb44826e9457e70a9e264338a3b4f7973687a7e371bea0eb59e8
Manifest6de72649b4ee467d0d58b38168f2c52e1704609026a42cf1698d2b3acc160d09

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
Signature3ATOOWFbtM8bNk9NvxVjpZNaru3YffQpgkaVzAaPpuEHiY3lG5hUAztPWPwqLStsAp/cd0rcmVmbe03HGiBvAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:10.076416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095689
observed 4c5a10f5485cdb44826e9457e70a9e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:10.059678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095689/manifest.json
observed 6de72649b4ee467d0d58b38168f2c52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:10.040343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095689/publication.md
observed 7884bedc3b99b4c832142ca604ea7f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:10.021916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095689/publication.txt
observed b49d61928ac21539380b949a7e37560d...
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.