OpenTechnical

OT-2026-000067507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000067507) never changes.

Identity and time

Publication numberOT-2026-000067507 · never reused
Internal UUID01a0ae8f-6bd9-78a4-b604-3ca9fc35e163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067507
StatusPUBLIC

Content hashes

Canonical textbcde802e6c78a6680834aee316cfe530e4d1816c05ecf6130a9d5c9c6980662d
Markdownfce8d06ef74845d8712f759f16beba1abcfb912c79bb4008329bfeccd69583b6
PDF
Publication page68a3f79533a1ab87efa8b6ca22239e8dd81ab674cf76b95fbdd04cc5d9bc0ba8
Manifest93bf12385b2e1143cda1eea435dfa89a39b28b65c3b1bc1be28f1e7345309035

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
SignatureQAP42gcESEROY0y1jL8kyY2OE3O3IujPX4dAyQTWRuiBg9A5TWgqp8PP3Cmg+45BRf8mfYitlGwqz76+R5jWDA==
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

2026-09-17T10:31:48.239637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067507
observed 68a3f79533a1ab87efa8b6ca22239e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.221477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067507/manifest.json
observed 93bf12385b2e1143cda1eea435dfa89a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.203850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067507/publication.md
observed fce8d06ef74845d8712f759f16beba1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.186489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067507/publication.txt
observed bcde802e6c78a6680834aee316cfe530...
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.