OpenTechnical

OT-2026-000083015

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000083015) never changes.

Identity and time

Publication numberOT-2026-000083015 · never reused
Internal UUID01a0ae97-c961-763b-8182-2751be86d5d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083015
StatusPUBLIC

Content hashes

Canonical text5794c7f8e17b6fae98c646d5700dd1721f78507e704a907e8db88c30119bd91f
Markdown765b72c356709354af56eeadd0367c3e1e0daab17dcd7e02a2e7f435f7ed29ab
PDF
Publication pagef3ffc4098108276d7ed858ce333c154f61d99a14fad2727a19e20b656705d5a6
Manifestad71c115783363858eb6b8a96e7f261bcdfc2252da24a6e278fcfc22bdd6267a

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
SignatureI8KGu3y1YUmIq+sbPbOP0hrQ+DmCbl5OXde4NqP+t5IaR4o7qmnGsueGb5oxvwvZq8vmUhUFz/EiKrhZFW8rCg==
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

2026-09-17T09:00:18.322112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083015
observed f3ffc4098108276d7ed858ce333c154f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.183984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083015/manifest.json
observed ad71c115783363858eb6b8a96e7f261b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.160868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083015/publication.md
observed 765b72c356709354af56eeadd0367c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.141218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083015/publication.txt
observed 5794c7f8e17b6fae98c646d5700dd172...
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.