OpenTechnical

OT-2026-000095715

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000095715) never changes.

Identity and time

Publication numberOT-2026-000095715 · never reused
Internal UUID01a0ae9f-fac4-7ccd-b445-38cce283482d · 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-2026-000095715
StatusPUBLIC

Content hashes

Canonical textc6b87d9503a533bcaa4e9bf193850ef9f3fdedb3a26dabb2689793908203f19f
Markdowna5e473d18ebcbc334f20ae4efd1fe347d70684e9390206733b9b5bf70da5dbe8
PDF
Publication pagef32f1dc0a0df185ea876be093dcc8987d4195cdd177839d60851834193638a8f
Manifest0735307021a5cf329e4d146ce3029d353fa85a84e449db154cad568d867738e1

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
SignatureXyKObYAmip5Yhk24F8yQKnf+i4Rho5S8NIZR2Q9AWm15WNNs5Bwu0wje8aBjdmk6/LPb/WQpycmNzb7uWwFjCg==
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

2026-09-17T09:35:16.314555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095715
observed f32f1dc0a0df185ea876be093dcc8987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.294857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095715/manifest.json
observed 0735307021a5cf329e4d146ce3029d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.274940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095715/publication.md
observed a5e473d18ebcbc334f20ae4efd1fe347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.256246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095715/publication.txt
observed c6b87d9503a533bcaa4e9bf193850ef9...
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.