OpenTechnical

OT-2026-000090768

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000090768) never changes.

Identity and time

Publication numberOT-2026-000090768 · never reused
Internal UUID01a0ae9c-7f31-75ac-825e-1311baf3a128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090768
StatusPUBLIC

Content hashes

Canonical text72a19c49c25d1ba80c6b65140c3df8e9c23909611b0f4995365f2d95e3a94a4e
Markdown2770207b0b166831a3877b1426de7ac053cbdd136b943723b580f14de0f8b52a
PDF
Publication paged0137d679cf663b28bb3fa9d5782ec702158d14736b0cb1eb6536a0dd6e2db27
Manifestebcc49f375af98e1b7a09d9383cf080aa73cb159766def600cd3a880bd7e25f5

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
SignaturepaEPQ5k6paCheQzriPgPHKv9R5q05VYFKDo79gHZgwLfK82ZZog8b3vjqdN8B/+K/5Ct2aZuDKU8su61J+XeDw==
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

2026-09-17T09:44:58.081286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090768
observed d0137d679cf663b28bb3fa9d5782ec70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.063501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090768/manifest.json
observed ebcc49f375af98e1b7a09d9383cf080a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.043722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090768/publication.md
observed 2770207b0b166831a3877b1426de7ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.025315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090768/publication.txt
observed 72a19c49c25d1ba80c6b65140c3df8e9...
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.