OpenTechnical

OT-2026-000095080

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000095080) never changes.

Identity and time

Publication numberOT-2026-000095080 · never reused
Internal UUID01a0ae9f-2df1-7f14-ab35-d9677331a394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095080
StatusPUBLIC

Content hashes

Canonical textae768bf357e68198ef04ef27a0ece930f026bd2f3ea87f67b17de116c68d5d5e
Markdowndaeabbf8730f537a260b5b135684a074c6cd927977efdeb744b644d2a5551dd6
PDF
Publication pagef649d0b580346926cc221b5b09ed9b7ade72f21d4cdc7244f65aa7c00a67ee46
Manifest63a3a78f4e9eeb29122be48f59c828e470d5aa2325087fe5ee4416d246aae0f7

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
SignatureuJxuVdTKJvgPxG6ePFgkOzQGVGM//zddHa5rzFrCExofYbPWXFCwWg7CSfBXuD+8ieOSHowfx24JHcPt7JbwBw==
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

2026-09-17T09:37:39.158910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095080
observed f649d0b580346926cc221b5b09ed9b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.142016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095080/manifest.json
observed 63a3a78f4e9eeb29122be48f59c828e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.123772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095080/publication.md
observed daeabbf8730f537a260b5b135684a074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:39.101799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095080/publication.txt
observed ae768bf357e68198ef04ef27a0ece930...
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.