OpenTechnical

OT-2026-000099828

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000099828) never changes.

Identity and time

Publication numberOT-2026-000099828 · never reused
Internal UUID01a0aea2-c978-7e77-ae0f-c8140c228ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099828
StatusPUBLIC

Content hashes

Canonical text91eb33d227b70a1d8764adea87778b2215f17f5120295b1d524fc70f306bd947
Markdownb6d59dcab401c8d093eea8ca900ca131ad938a85aa178c81f412b7ade877fc2b
PDF
Publication pageb5c177d58ec1fe18120b5cceca9d349cae975aa416fd0099791a08826e0cb0f6
Manifest09d372647f321b2effa26f3584fce5883bd5b5a52ca4149d2fb29ebe0fb1d2fb

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
SignaturesOJXvVUepW/oMVINBHl7WnufkreV7rBr1GE/4oA6FcXqdR9zNBrs8erAusiJfKF66zYq5Tj5UikQTXZY5Es3Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:51.974247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099828
observed b5c177d58ec1fe18120b5cceca9d349c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.959099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099828/manifest.json
observed 09d372647f321b2effa26f3584fce588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.943158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099828/publication.md
observed b6d59dcab401c8d093eea8ca900ca131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.927216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099828/publication.txt
observed 91eb33d227b70a1d8764adea87778b22...
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.