OpenTechnical

OT-2026-000076661

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076661) never changes.

Identity and time

Publication numberOT-2026-000076661 · never reused
Internal UUID01a0ae94-b06f-765b-859a-57fe07e83d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076661
StatusPUBLIC

Content hashes

Canonical texta1bfc24be3f58d1228e3e62de9e9121c08b1f9aa252206a00122baf694b6dc80
Markdownd9b39229c9704b139511fa3d2c40d81ab8461e43333453591a144e1c81395645
PDF
Publication page898006ff9acf812d0b4d6f4849bad5f45e2fe875b3ca63868612cdb44154d691
Manifest882830240ea139092b833b0597d617ae282a34de80265ea31b68caed5242e42c

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
SignatureUcrMl3tfooMBD6qUrcbr136rJyCAla2FxBlZ14g8y7n9Zg4jJXeI9J875wzHiYeF8JGarN4tPDkFqqxTOWxkDw==
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

2026-09-17T10:09:24.350348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076661
observed 898006ff9acf812d0b4d6f4849bad5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.331344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076661/manifest.json
observed 882830240ea139092b833b0597d617ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.312056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076661/publication.md
observed d9b39229c9704b139511fa3d2c40d81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.292416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076661/publication.txt
observed a1bfc24be3f58d1228e3e62de9e9121c...
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.