OpenTechnical

OT-2026-000006692

Publication integrity record

Vacuum cup gripper, two stage ejector, contact triggered, polyurethane cups, oval form

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-2026-000006692) never changes.

Identity and time

Publication numberOT-2026-000006692 · never reused
Internal UUID01a0a964-200f-74f4-b7a1-fc136fd2c5f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:06.450529Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006692
StatusPUBLIC

Content hashes

Canonical text0f80583049ba2b7563b94ab80c6f88d3f6e85f9429b9371aad352590b40c414b
Markdownacf662f4e12ed8dfa0e2b9d8c364b44a3180aeec9bd459156d96fd7576151e3d
PDF
Publication pagef7dcbf9f0d8d8c03c7e863c8b9059a1efcf2619082352ce96c56a198b59bd8eb
Manifestaae04bc602ca0b216c26f81dcfe69060e51775631a80d39b96ecf2a1e19ba08f

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
SignatureuTriEZTgLm3DQHuJMZKZEEcSnWOri2jydD1GnR1FdlvhJohiuAPVGqClaCMglTnSnrPKrrYqvaoMrPKOcpIBAw==
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

2026-09-16T08:50:16.696563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006692
observed f7dcbf9f0d8d8c03c7e863c8b9059a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:16.682908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006692/manifest.json
observed aae04bc602ca0b216c26f81dcfe69060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:16.670303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006692/publication.md
observed acf662f4e12ed8dfa0e2b9d8c364b44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:16.656577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006692/publication.txt
observed 0f80583049ba2b7563b94ab80c6f88d3...
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.