OpenTechnical

OT-2026-000067903

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000067903) never changes.

Identity and time

Publication numberOT-2026-000067903 · never reused
Internal UUID01a0ae8f-c4fc-7393-9d14-ce93e30ba868 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067903
StatusPUBLIC

Content hashes

Canonical textaf2775ac79aa95a99801ca1f81dcfc61f4b11ba0c495ef1a6805ce25e2fe01e9
Markdown5540080e07e315036bba5318e2d69cfdcd294efa9593db2a3479ab66d34dc53e
PDF
Publication pagedbaf6e3e1bbb0d09752462ae31441cbc18d08efdb19f7561d11f0a9a1a299e44
Manifestb91f6a21da452da966a58ccbd0db4618f242c7bc16b0e22efdca54ed95e75334

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
SignatureKalwfjulqh8MOpIs9Ao07sE1TWgHbdnWlCLiCna50jCxSqyJNAuydisdF4XwvZ2Vce8v5BM1tpRui8VteY7rDQ==
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

2026-09-17T10:30:18.256597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067903
observed dbaf6e3e1bbb0d09752462ae31441cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.238382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067903/manifest.json
observed b91f6a21da452da966a58ccbd0db4618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.221210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067903/publication.md
observed 5540080e07e315036bba5318e2d69cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.204335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067903/publication.txt
observed af2775ac79aa95a99801ca1f81dcfc61...
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.