OpenTechnical

OT-2026-000086240

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000086240) never changes.

Identity and time

Publication numberOT-2026-000086240 · never reused
Internal UUID01a0ae99-e82c-7e67-8f9e-b06a6a87b8bf · 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-2026-000086240
StatusPUBLIC

Content hashes

Canonical textbae38172c807a77580ef48fc0c557e5c2b82a1311ba686bc2133c232c40535e2
Markdownfc32f30e52a051ea137d27e8f7a36d0e99d682728d2f0999c3ccdac9502650de
PDF
Publication pagef4f750d433e3eede14f6cf1174f0bebf77362723ed299e95ac836c9327ad0c13
Manifestb3c314d8866e3c526ef58d1d6c2b954b6c31e94427734931fcd6329f6ef42a7e

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
SignatureV06UWJOHABxYKuHSOe7vUa8hos6Z+dGwFievOgJ0AWau6veqVxtUDrqXBYpWCOpQ687md3kIGgXETZpcT+zxBg==
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

2026-09-17T09:53:55.757488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086240
observed f4f750d433e3eede14f6cf1174f0bebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.739628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086240/manifest.json
observed b3c314d8866e3c526ef58d1d6c2b954b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.722974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086240/publication.md
observed fc32f30e52a051ea137d27e8f7a36d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.704382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086240/publication.txt
observed bae38172c807a77580ef48fc0c557e5c...
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.