OpenTechnical

OT-2026-000006459

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, pressure verified, contact triggered, rubber 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-2026-000006459) never changes.

Identity and time

Publication numberOT-2026-000006459 · never reused
Internal UUID01a0a95b-fcde-752a-b2da-ff86693acb1a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:13.153770Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006459
StatusPUBLIC

Content hashes

Canonical text4bf446764317c7756c619d967141d3f18e93355738b135266df9fd8c00c73f10
Markdown6de28d1470208505e8ddf46625ff6bcf61350a79aab852d7ac2a826ca8a3dd22
PDF
Publication pagef73a027cd61197124152d97e7c2a312281e9eab6092054cc8ffe053025cfcf68
Manifestfc7620f95eb44cc037b07e526b1c85b249639d95a9a21906c100471df401e46b

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
Signaturetf5B3PJdBfwXtKF7oO35AngVV46+PnwCNrF8n6Dz2529aY0V7id9fom5TUHtLcbnk16RMDtJPCTwjPXEy8gtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:15.168885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006459
observed f73a027cd61197124152d97e7c2a3122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.156658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006459/manifest.json
observed fc7620f95eb44cc037b07e526b1c85b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.142303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006459/publication.md
observed 6de28d1470208505e8ddf46625ff6bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.127441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006459/publication.txt
observed 4bf446764317c7756c619d967141d3f1...
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.