OpenTechnical

OT-2026-000085665

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000085665) never changes.

Identity and time

Publication numberOT-2026-000085665 · never reused
Internal UUID01a0ae99-aaad-74d5-9031-bfa1a62c70aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085665
StatusPUBLIC

Content hashes

Canonical textae56f1e0f240c77afe53f954eb988cfe542356fc246f3279d7a5be91fe1384e6
Markdown27b70e9826b47a7f1ec6f200ea0117c310d00e063787cf3cfc5fd9d0f24debcd
PDF
Publication pagef28f625d45d23f72ae61afef032a1e79b28aff6465e83feced2b78e07846261a
Manifest06c11c1043ddc7087df553ba3e89c1d9f7c20a16952c3e328681257279b44128

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
SignatureBR+k04TdRdTTQZZi8XagrOYoMBxMwYDkLObK9amD6B5tdc3ZASsPx90ec8WXpRMQ6j0bA0dpM3Iw3EbrM0j2AQ==
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

2026-09-17T09:54:33.470463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085665
observed f28f625d45d23f72ae61afef032a1e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.451631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085665/manifest.json
observed 06c11c1043ddc7087df553ba3e89c1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.433681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085665/publication.md
observed 27b70e9826b47a7f1ec6f200ea0117c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.414635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085665/publication.txt
observed ae56f1e0f240c77afe53f954eb988cfe...
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.