OpenTechnical

OT-2026-000065431

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000065431) never changes.

Identity and time

Publication numberOT-2026-000065431 · never reused
Internal UUID01a0ae8e-46f9-7c93-91a2-b352fe2904bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065431
StatusPUBLIC

Content hashes

Canonical textbe75efa5c9433f892692896bf8d62422b0a937604e168482397264b3801f7ed2
Markdown1a6afe279716bfde2b36a20102533756f9542599c90205dcf685085d1d4a9d14
PDF
Publication page30efb9a39fdafcbcae5e2e8afbae000d11a6c30da90eb715d11dd8d5ddb8f8c4
Manifestd3a608e401946360ab18cd07610ace6e92d7caf2fb391b720ca5a7fbe54577cd

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
SignaturemDW7kPb+qoweE/NWxS4FqqFKcwYqZ4ImujFRSJwmZnk927hyvH2TOcFZ4B7CxQjdsuaPU822WLGWiZhCw156DQ==
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

2026-09-17T10:33:42.107097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065431
observed 30efb9a39fdafcbcae5e2e8afbae000d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.088672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065431/manifest.json
observed d3a608e401946360ab18cd07610ace6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.071119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065431/publication.md
observed 1a6afe279716bfde2b36a20102533756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.054695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065431/publication.txt
observed be75efa5c9433f892692896bf8d62422...
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.