OpenTechnical

OT-2026-000091762

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000091762) never changes.

Identity and time

Publication numberOT-2026-000091762 · never reused
Internal UUID01a0ae9d-43b9-77ce-aab9-4283ebd92860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091762
StatusPUBLIC

Content hashes

Canonical textf7d9ae0d79530cca683496f6819711a49791e47b0af29d214ae60ffbe7cf8f12
Markdown258b105a613efcfcde66fff5ce7f9a9b2dc3145fc610e5066127b052a629767f
PDF
Publication page52472120d53d2517a1cbb2958d59e66648087874db1c0cbe68a422ef2e44dfa3
Manifest8d9f6fd2ceee8aaef515e767634a1d0de4cdb5cd3e69e897d6514649999e3495

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
SignatureVRftt41TZ8h/qFUlV/54lV60Nj7rkZcUryu6CQ8m6EczpBK4DwFlxfZ+Ty7GCw5aC+7LCIdg7vfuvtKOpQEsBw==
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

2026-09-17T09:42:39.284774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091762
observed 52472120d53d2517a1cbb2958d59e666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.266628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091762/manifest.json
observed 8d9f6fd2ceee8aaef515e767634a1d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.249092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091762/publication.md
observed 258b105a613efcfcde66fff5ce7f9a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.232402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091762/publication.txt
observed f7d9ae0d79530cca683496f6819711a4...
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.