OpenTechnical

OT-2026-000085577

Publication integrity record

Two cup vacuum gripper, two zone face, single 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-2026-000085577) never changes.

Identity and time

Publication numberOT-2026-000085577 · never reused
Internal UUID01a0ae99-aaac-77d2-8829-15bc5f3c681b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085577
StatusPUBLIC

Content hashes

Canonical textac5883cc25df40704389057f5d43fe04c3cbefecf7c824f1434a592eb3b946e6
Markdown5dc6613e96272dae710bc842b8046e3f3d4fbb95ee2e48bf1b6431b24e332b52
PDF
Publication page249502f9b82e345f659146d25cb585a4e83bfa21ae938671ad9690d5ac016c27
Manifest91a8126996c7f0104bdb04588b9f465eaf8401466d9169f665a2127cf38525cb

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
Signaturek1g2CtdQyJlujrUqwOlgRnzuOOY0fgCjBIbwdO7VunrHqc+ym3WV+Cy0Gj7Vr5NRteoTrxDbyIOQuGzfwugXCg==
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

2026-09-17T09:54:26.781905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085577
observed 249502f9b82e345f659146d25cb585a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.765618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085577/manifest.json
observed 91a8126996c7f0104bdb04588b9f465e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.745647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085577/publication.md
observed 5dc6613e96272dae710bc842b8046e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.728768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085577/publication.txt
observed ac5883cc25df40704389057f5d43fe04...
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.