OpenTechnical

OT-2026-000084563

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000084563) never changes.

Identity and time

Publication numberOT-2026-000084563 · never reused
Internal UUID01a0ae98-e25b-79ab-be3b-c3af767d853f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084563
StatusPUBLIC

Content hashes

Canonical text197e20f1b00b033660bdcc3bb02b4633c3e018ca206a288537b2f91b02c5053f
Markdown5eafd2a52eb27017af1a601b22ef92943d0dd86e06f5b3b77f30b75df11e6dc7
PDF
Publication pagea432843720901f07d8fab9194f4a6f5605768c345417ff8b548e6ba9de4d59bd
Manifestffbc697712709c6f69625c976b441dd3150b4597d17c3a22b0479396f6cf0ca0

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
SignatureQ9atC32VmZexKx/1omg8eSyKLJC6HIj5pGopThnkF4+0r4Z7Uz+TsliS3oOv9dwnl6rngOL+rv+UBrn41FMkDQ==
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

2026-09-17T09:55:27.479991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084563
observed a432843720901f07d8fab9194f4a6f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.461599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084563/manifest.json
observed ffbc697712709c6f69625c976b441dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.442626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084563/publication.md
observed 5eafd2a52eb27017af1a601b22ef9294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.424734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084563/publication.txt
observed 197e20f1b00b033660bdcc3bb02b4633...
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.