OpenTechnical

OT-2026-000084350

Publication integrity record

Two bellows cup 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-2026-000084350) never changes.

Identity and time

Publication numberOT-2026-000084350 · never reused
Internal UUID01a0ae98-5b62-7cda-aff2-bb01f96742a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084350
StatusPUBLIC

Content hashes

Canonical text3516ae17188d2079dc4e1aa8bf4cb3309c1b94b30dd51b37507a69f8e32e079b
Markdown35242e5d6a5a330d7a911638d3f452712126c5214453b777698d0dda1d898bdc
PDF
Publication page702a42a36f5a34f048fad2c95a171ee915fc9060a061f6432b82d328427666b0
Manifest086082b31ea89a42a1db2867ab275c1add9850bc404d760a363587324142f1bc

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
SignatureIApzLddVEIXkV8m/uR7wteMdyQe3I0PsA1oD1WYBOOSfOioyrAiELkk3b4IYkMKWPwVsGcPKy350OpO5vOO7Ag==
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

2026-09-17T09:56:16.951671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084350
observed 702a42a36f5a34f048fad2c95a171ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.934425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084350/manifest.json
observed 086082b31ea89a42a1db2867ab275c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.916735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084350/publication.md
observed 35242e5d6a5a330d7a911638d3f45271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.900319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084350/publication.txt
observed 3516ae17188d2079dc4e1aa8bf4cb330...
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.