OpenTechnical

OT-2026-000005166

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, vented before set down, silicone cups

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-2026-000005166) never changes.

Identity and time

Publication numberOT-2026-000005166 · never reused
Internal UUID01a0a930-035b-7de0-9162-8b25284e6a69 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:11.230621Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005166
StatusPUBLIC

Content hashes

Canonical text5e0fc27744b41e2102c411fe924a15c8e4c2a0f07623ef7f9f4e2048f985e92e
Markdownb4b9bb0debc0e838ee75d85eaf63b7da3aad34a5c5f3c8eec491aaa52a01ea77
PDF
Publication page312b1e82c6c2ade877e4a3c34e8090064c8bfa71875e4dc6dd2e7626ca9efe6e
Manifest3e3be97e70a7bd9c0bfe93ced95f214af867d577a860269ce9c770de5708ad91

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
SignaturekDvHy0gpM7V5nOkGBgfh8LD7/7feFnZ1bLartXJpsl1WeNNCih8X5t7VQRygLvyrmB/g3gsDITTLHRodemJrAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:08.189689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005166
observed 312b1e82c6c2ade877e4a3c34e809006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.173819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005166/manifest.json
observed 3e3be97e70a7bd9c0bfe93ced95f214a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.160552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005166/publication.md
observed b4b9bb0debc0e838ee75d85eaf63b7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.145813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005166/publication.txt
observed 5e0fc27744b41e2102c411fe924a15c8...
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.