OpenTechnical

OT-2026-000092544

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000092544) never changes.

Identity and time

Publication numberOT-2026-000092544 · never reused
Internal UUID01a0ae9d-b5fd-7a03-9f4c-8f2300588d93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092544
StatusPUBLIC

Content hashes

Canonical text1ebb6c7350ccc5be2c80a7e937be86f7831a92e16565c79f619f1781edb62e76
Markdownf4404b91c14cc58c5db9ca68abc7f0f1ffa8d30c86f7b916a7781e009c393f9c
PDF
Publication pagebbf036df207709d510a8295251164ee030457ed65c10ebd75d5f28e0a1016f52
Manifestbff6643af51fa503be50bf49af280e0148d88488d24ae8a47fcccc76fd054916

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
SignatureeZJe/UL1txKffsn1Y0Uqtq9vLJRKu5LytWLf3ulWXqtp+j7Sz4z38oORSYlV9zUZ48hfGqUZ0DtxwVloBFUvBw==
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

2026-09-17T09:41:07.561589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092544
observed bbf036df207709d510a8295251164ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:07.543556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092544/manifest.json
observed bff6643af51fa503be50bf49af280e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:07.525329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092544/publication.md
observed f4404b91c14cc58c5db9ca68abc7f0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:07.506410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092544/publication.txt
observed 1ebb6c7350ccc5be2c80a7e937be86f7...
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.