OpenTechnical

OT-2026-000064331

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000064331) never changes.

Identity and time

Publication numberOT-2026-000064331 · never reused
Internal UUID01a0ae8d-a460-76f5-b412-746fc9ad9671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064331
StatusPUBLIC

Content hashes

Canonical text48f373699fa9763eec9e3f146dbcdf65ccba42cbb99226bd981c74cdc52cda81
Markdown5b43a374ef09dc51f70aecd0a917c013c4c77ffb84cfddf4e002734c9fcb6afc
PDF
Publication page85e4dcaa9b076759e9a98e9375443d299c148cb4a897748f9050e5f554d7109f
Manifest0a669a5876041dd2498b3ed7c538a16450e6e7410ef7cdac60ac10c63939a470

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
SignatureBbo/5Uu4zqDo3oWQoazbZfSrMoIKJf3vgfDJbFv/k35Jdnj5G6PmqxFz3Ag86qY2bGIZiE0Uhe7wlwAVmI/4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:29.187177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064331
observed 85e4dcaa9b076759e9a98e9375443d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.170364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064331/manifest.json
observed 0a669a5876041dd2498b3ed7c538a164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.154151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064331/publication.md
observed 5b43a374ef09dc51f70aecd0a917c013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.136482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064331/publication.txt
observed 48f373699fa9763eec9e3f146dbcdf65...
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.