OpenTechnical

OT-2026-000006925

Publication integrity record

Vacuum cup gripper, two zone face, three stage ejector, pressure verified, rubber 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-2026-000006925) never changes.

Identity and time

Publication numberOT-2026-000006925 · never reused
Internal UUID01a0a96c-877d-7b55-b69b-7d8238d28b7b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:17.216525Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006925
StatusPUBLIC

Content hashes

Canonical text01dcdc932753ec158d4605661f3921b940b7c2848cc042e1228b63c8d9132990
Markdown3dbb1a02a1a053fcd71d40d2607015e6199c7cf274b5f07a034ec4a96f21381f
PDF
Publication pagefd8e24ba69c60f92847339024e0098e03a9c97e8385a48825b5a75a00c730f5a
Manifest7938c3966ccb0f2b1202e0278c2d19919677b18b38cd3f518ae03e9162295cb6

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
SignatureNz4DjYvFHOaBvqlSsl+gxdgUi0+GG0ID5uGYE54lZ8uQkf2uME3aakORyBZzuJA/YXKrLCmSXGmXCKKIBlsdDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:21.415193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006925
observed fd8e24ba69c60f92847339024e0098e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.402733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006925/manifest.json
observed 7938c3966ccb0f2b1202e0278c2d1991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.386896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006925/publication.md
observed 3dbb1a02a1a053fcd71d40d2607015e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.251197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006925/publication.txt
observed 01dcdc932753ec158d4605661f3921b9...
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.