OpenTechnical

OT-2026-000086225

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000086225) never changes.

Identity and time

Publication numberOT-2026-000086225 · never reused
Internal UUID01a0ae99-e82c-7543-ac70-6cd689494c75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086225
StatusPUBLIC

Content hashes

Canonical text3242f22f82656e9d8ebc82fba5882173770cf7dd1a8c97f30d03596a36dfc2c6
Markdown593daef50518c7f3dc1dce021e0b1b51de2cd44b9608255a6b5677720c16ef4e
PDF
Publication pagef476109c218e611bd2a65971273eb3001d49c56f3fd0c7f673b3de6a14220155
Manifest89b0503c40f0db6ee708e616d4a24c3ae99c4a43a8c0e49ea421277b63f9b4e1

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
SignatureKuik1paQgcbYHnKiFaah3lDiRoJXep6SM3PTgJIazQOyEgfohw4Oz6XyUSyaNP9E5801pM2ImN2WtLUOCVR9AA==
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

2026-09-17T09:53:54.665803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086225
observed f476109c218e611bd2a65971273eb300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.649591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086225/manifest.json
observed 89b0503c40f0db6ee708e616d4a24c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.632094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086225/publication.md
observed 593daef50518c7f3dc1dce021e0b1b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.613527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086225/publication.txt
observed 3242f22f82656e9d8ebc82fba5882173...
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.