OpenTechnical

OT-2026-000050307

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050307) never changes.

Identity and time

Publication numberOT-2026-000050307 · never reused
Internal UUID01a0ae82-5c47-759f-bcc1-1728b71a20f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050307
StatusPUBLIC

Content hashes

Canonical textac9e885266141a3ae268c706340a50f0b3908cc8dc502369874c9d3c5918c893
Markdown0e175905b32819aa80d80af25528e1aca20583283b810733c481c6512e5d6060
PDF
Publication pageb79b16ac38679e4a3ca1525299874437430fd3c2754cf7f2b6ed61f39775282c
Manifest0d937a6ce3a99c8e0a149258359b59826bb9776c382dd78d70bb20af41226564

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
Signature4RqY3mIJh1Z6eaUiZgMDMDBWNZDDZoN8J5D/NEzOZx4yDB10qVMISpH4LebOCW19Rwytg47Mb7LYecZEhOOYAQ==
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

2026-09-17T11:01:19.042263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050307
observed b79b16ac38679e4a3ca1525299874437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.026031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050307/manifest.json
observed 0d937a6ce3a99c8e0a149258359b5982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.000774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050307/publication.md
observed 0e175905b32819aa80d80af25528e1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.984797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050307/publication.txt
observed ac9e885266141a3ae268c706340a50f0...
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.