OpenTechnical

OT-2026-000033879

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000033879) never changes.

Identity and time

Publication numberOT-2026-000033879 · never reused
Internal UUID01a0ae75-a391-77b7-b03c-a41da0331382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033879
StatusPUBLIC

Content hashes

Canonical textf2cdc91ac53392cdda270007ec629b58ccfd4adf1c273a9ca83041b415fbc8e6
Markdowndf3e22567ec1fb760e5c5cc4f74bb2aeefd7731e6995d773a654c0c54b052f39
PDF
Publication page5cbb85f7158ceb5022a93957b5153201972e634c1adc190be3837e11b193b142
Manifest3b8313a3d37babd4afd040154526a021ca5dad8997cf3df8e4a481de3d22a80f

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
SignatureoiDyQLAd+Xw4tGaZTmjaykAVMdzEAJAnoJV5C97jgzlS40p/n46/kAZF0SSRNLxOeJmTYw75rsHg7U/kVHR0CQ==
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

2026-09-17T11:31:56.977376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033879
observed 5cbb85f7158ceb5022a93957b5153201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.957765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033879/manifest.json
observed 3b8313a3d37babd4afd040154526a021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.936863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033879/publication.md
observed df3e22567ec1fb760e5c5cc4f74bb2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.916508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033879/publication.txt
observed f2cdc91ac53392cdda270007ec629b58...
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.