OpenTechnical

OT-2026-000085172

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000085172) never changes.

Identity and time

Publication numberOT-2026-000085172 · never reused
Internal UUID01a0ae99-43b9-7673-b98d-3ec26e6c2ac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085172
StatusPUBLIC

Content hashes

Canonical text37e1a6ddc580e8ab8c06cc2124c05468c39e76f551aa558135ad6d17e498c63a
Markdown63ec1362fc13165da49b65ec76baa723211e290dfde1cca49d17b010fe0b91f4
PDF
Publication page760cbde0a78ce1a743cd0683069898ce5781551dd10464f966c50a816b44609a
Manifest4b43f16ef19ba7950bfa45dcc7dfa8c510822071e5f052e1acb237ea023f60ff

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
Signaturei6lYQq2lnnvfV5F2/Au5iNZW0PVUz2YyOfL0mgOxnNsxnWaEbOqLE/LsdRz0+VVDEi39bqJKY44AbEv1ow/VCg==
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

2026-09-17T09:55:15.295757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085172
observed 760cbde0a78ce1a743cd0683069898ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.279016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085172/manifest.json
observed 4b43f16ef19ba7950bfa45dcc7dfa8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.260049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085172/publication.md
observed 63ec1362fc13165da49b65ec76baa723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.244022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085172/publication.txt
observed 37e1a6ddc580e8ab8c06cc2124c05468...
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.