OpenTechnical

OT-2026-000083761

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000083761) never changes.

Identity and time

Publication numberOT-2026-000083761 · never reused
Internal UUID01a0ae98-0417-74a7-a31e-1ae4cbbf4d9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083761
StatusPUBLIC

Content hashes

Canonical text6216fd3b813e8bdeaf14fe3433bb9e3bf477214265c8296e7e44a19529a8d4f2
Markdownc3470b6cf56ced530327487c6fd5a18fa93d6a21ba55b0af45068e8cfbb567e2
PDF
Publication pageb9700bbe7d56b7a4229162caf4ad9ae762adc518d0aead7e71b47f9689f0d7f7
Manifestfc7d8bb0da18fee2c3cee4eabead3eb9a1e7e3c548542f3daa90743a615512ad

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
SignatureZhXFdg6ASvCET8DhxgbGu/s4aVFTGIhqmjlZAeJoELNuWDwJ2IKTVM6pTpV1DHXvgJclhl+7yJrA/2uph9XoBg==
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

2026-09-17T09:57:24.070997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083761
observed b9700bbe7d56b7a4229162caf4ad9ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.053686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083761/manifest.json
observed fc7d8bb0da18fee2c3cee4eabead3eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.035221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083761/publication.md
observed c3470b6cf56ced530327487c6fd5a18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.016431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083761/publication.txt
observed 6216fd3b813e8bdeaf14fe3433bb9e3b...
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.