OpenTechnical

OT-2026-000075851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000075851) never changes.

Identity and time

Publication numberOT-2026-000075851 · never reused
Internal UUID01a0ae94-29fe-73db-b1ce-ecb0cdea746a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075851
StatusPUBLIC

Content hashes

Canonical text0559880ed5c46e7c1b8b575811ce8bced68d2af397b91999bde5f8e763fcdcc2
Markdown113231127c6104c7fdd4b8706ed6c429d01dbe800fafee7be6e2c9d39c7e3427
PDF
Publication page406dff6a40f122fdbdbcdcb0c560367d58e6aac1bca49312280f08138d55218a
Manifeste08ee74772dcbd64342a855a044a7a3dab87b0fcc322b980f2172f9af5688390

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
SignatureS/p9kBnQZPa7uOo8M0r3vtuqtV9Zv/Wsn+vTzlcoX0olMkIJmpmqpZ/wQ2DuyWfOb24T9EH/hPg4PXi67hP5CA==
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

2026-09-17T10:14:33.058259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075851
observed 406dff6a40f122fdbdbcdcb0c560367d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.041156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075851/manifest.json
observed e08ee74772dcbd64342a855a044a7a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.022579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075851/publication.md
observed 113231127c6104c7fdd4b8706ed6c429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.002076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075851/publication.txt
observed 0559880ed5c46e7c1b8b575811ce8bce...
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.