OpenTechnical

OT-2026-000004825

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, three stage ejector, contact triggered

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-2026-000004825) never changes.

Identity and time

Publication numberOT-2026-000004825 · never reused
Internal UUID01a0a924-8594-770d-8fe6-4b4b93f67f3f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:35:38.135527Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004825
StatusPUBLIC

Content hashes

Canonical text6ec3544a780c90992c39d15aac012eb39313610eb834026af1fa352f8a419b23
Markdown5e0f64f255064ae46fdb398cde9d1bb68fa46aee6555e10dcfe4377795363fbc
PDF
Publication page63c925ff4e56ae0965f80fb20b36869dd2e264f61c0926a1359ae386aa72b119
Manifest4da9b223c394fe4d7e1003f59676f018d3220d7fcdccc1134f65394e42d0e758

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
SignatureF/WI1ZPJeqxQn7K254vJeZfz6wppDTyKGftMp4W57ulpV32Jc1Gv24EKCLdgZrv3hIvwsh7nKOurwkstVUpIAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:14.947548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004825
observed 63c925ff4e56ae0965f80fb20b36869d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:14.935200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004825/manifest.json
observed 4da9b223c394fe4d7e1003f59676f018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:14.915715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004825/publication.md
observed 5e0f64f255064ae46fdb398cde9d1bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:14.903074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004825/publication.txt
observed 6ec3544a780c90992c39d15aac012eb3...
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.