OpenTechnical

OT-2026-000006027

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, three stage ejector, polyurethane cups

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-2026-000006027) never changes.

Identity and time

Publication numberOT-2026-000006027 · never reused
Internal UUID01a0a94c-b8dd-75f9-ab55-482d15012498 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:32.704384Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006027
StatusPUBLIC

Content hashes

Canonical text4e0df79e84af920f210ceffea26a580e58e858ce6d35903317a504ce547cdfdb
Markdown1554bcbae7338f9676c1647b5b5fdb3fd0dab3a74d504c22ff7fe9f21900170e
PDF
Publication page98410c99d42a27013b7989bf16b56cb3e5174ab1f82614d1da050b73a3fd6165
Manifestec99dfd6b0822a8cd7b09687fb06f9d0e03a15f988dbf2c66bd37438982153c5

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
SignatureklhVYhEXlBm4cOmbEYvjurHj/Hr8tnLt4+bnja+v2WJLnCk8SE9wgEVRN1u1zsNAV4M7cjTigWLMkaNKrh2XDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:03.933160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006027
observed 98410c99d42a27013b7989bf16b56cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.918944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006027/manifest.json
observed ec99dfd6b0822a8cd7b09687fb06f9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.905152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006027/publication.md
observed 1554bcbae7338f9676c1647b5b5fdb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:03.889840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006027/publication.txt
observed 4e0df79e84af920f210ceffea26a580e...
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.