OpenTechnical

OT-2026-000045851

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000045851) never changes.

Identity and time

Publication numberOT-2026-000045851 · never reused
Internal UUID01a0ae7d-8f06-7829-83b6-68a291684782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045851
StatusPUBLIC

Content hashes

Canonical text3caceb36c6b3845ccd017fd5e58325863803ba52c7eb3dc4ac726fb26a4d518f
Markdown19c79e200c9c7a671834bf96b56f992544b7d9c65b74cb6c9c6b10533ecb91b8
PDF
Publication pageeee92442bdf78680bdefda1d40a799349f7b722b28120bac75ca1bda4044be7a
Manifest52bef1aa3da1bfae50e455ee734497ec30f9baaaf8b912ba0bffa62e1a17dbb1

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
SignatureXgwWl4m/WkN4GKw13S/0tncGLNP320XXkvUoSW0kjsMX7D5kCblfwVm58ITsg3D2CoMo0Vpkh7KHlqnBXHpDAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:43.921517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045851
observed eee92442bdf78680bdefda1d40a79934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.901211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045851/manifest.json
observed 52bef1aa3da1bfae50e455ee734497ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.882390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045851/publication.md
observed 19c79e200c9c7a671834bf96b56f9925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.862725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045851/publication.txt
observed 3caceb36c6b3845ccd017fd5e5832586...
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.