OpenTechnical

OT-2026-000090153

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000090153) never changes.

Identity and time

Publication numberOT-2026-000090153 · never reused
Internal UUID01a0ae9c-428f-79e8-b2dd-6859b553c009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090153
StatusPUBLIC

Content hashes

Canonical textfdbd1e11e7c6ee76449373378478bcae718bd43381e0f63734327ac7ecd36009
Markdown5bbf9a044c64d535c089a880ca9d0444527996a02ced36b635cab57c037a1461
PDF
Publication page34eba215a3b19af69d02500fea59bc6d213de1774b5a71307973aed6322735cc
Manifest400f3266e108101a84da3577d419d581630f5045a37d8d8601c96f9c379329eb

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
SignatureESvvnn3sIWWWIKg8rTvkYZEtzQzI4O44WfT0M9ou6qLqsjtDLVGzmIoYt1B8bi2hzDNyLS4rD0USqmt9FsvZCg==
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

2026-09-17T09:45:40.021497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090153
observed 34eba215a3b19af69d02500fea59bc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.003400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090153/manifest.json
observed 400f3266e108101a84da3577d419d581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.983878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090153/publication.md
observed 5bbf9a044c64d535c089a880ca9d0444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.963546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090153/publication.txt
observed fdbd1e11e7c6ee76449373378478bcae...
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.