OpenTechnical

OT-2026-000069755

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000069755) never changes.

Identity and time

Publication numberOT-2026-000069755 · never reused
Internal UUID01a0ae91-185f-7532-b48e-e90b29f2c3e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069755
StatusPUBLIC

Content hashes

Canonical textd54433c46856868e6c1c0a4f7ad98e60c149806af45849a6307baeb29a8ec12c
Markdowna5932cbbdcaa1db88920ce7f33141304f08c4459f376380521f735e6d795706d
PDF
Publication pagebbf60a2254c324606c47707bcc31005e9e9e4b75c90fd3d9e805b7a6ec65a2c9
Manifest5588f6b8556dc79263e41c14aa0997ead3d4780057d574f9f8d0b2dd9c02a9c2

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
SignatureNTw4VH8uDR5+qGYADEvT9KAIWiIrbdHIwGtGO1EQNJfaSraazQuvcm5/5dyFy0ZMc+c2DNYWMPx/UYPNEsboCw==
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

2026-09-17T10:26:34.578031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069755
observed bbf60a2254c324606c47707bcc31005e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.561586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069755/manifest.json
observed 5588f6b8556dc79263e41c14aa0997ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.544172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069755/publication.md
observed a5932cbbdcaa1db88920ce7f33141304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.527999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069755/publication.txt
observed d54433c46856868e6c1c0a4f7ad98e60...
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.