OpenTechnical

OT-2026-000016812

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000016812) never changes.

Identity and time

Publication numberOT-2026-000016812 · never reused
Internal UUID01a0ae6e-5919-75c7-925a-36fabd4d581c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016812
StatusPUBLIC

Content hashes

Canonical text6e4530916245463330db0fa9b394c08171fb79de71c987eafff7b07b4587fba1
Markdown754e61f09980673fd47a5e1d1d55d38502765ea6a9df6f62fa419878acbcd08b
PDF
Publication paged3c8228478e924c88fc0f3a2f66160a6be58c8ffba68c54266dd8b84bff904f5
Manifest3ef0ed9bef8bdc621caa6530a3f13eda91191adbef7352055d14e347decc5c43

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
SignaturenKSde2MkhOCRcAtNO/jfiZACNmFM0dMeLlCvOtnnwxrhPgCg6Sbqk39gPLueQm5ksE7t+BvYjntRdS+YOFceBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:04.003185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016812
observed d3c8228478e924c88fc0f3a2f66160a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.985539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016812/manifest.json
observed 3ef0ed9bef8bdc621caa6530a3f13eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.968382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016812/publication.md
observed 754e61f09980673fd47a5e1d1d55d385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.951538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016812/publication.txt
observed 6e4530916245463330db0fa9b394c081...
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.