OpenTechnical

OT-2026-000084251

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000084251) never changes.

Identity and time

Publication numberOT-2026-000084251 · never reused
Internal UUID01a0ae98-5b60-706e-8ac8-8ef4ec69e22b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084251
StatusPUBLIC

Content hashes

Canonical text3b9732181ccaba3b416937a8e7915ee44be608cbec50065c1f2ac5767b916e78
Markdown0b51fbd4d9178eb84b560c51a0708a1996065ee9a9353f6a839942fcb9151669
PDF
Publication page7728ddb3a7ead2c5f2483fb7577ca7dc229eb1fdfa79434fe9eebbf9b0e7551b
Manifest496c17f4f7279f95582e81ca7fd2f7a1b0b08fc49f0ed2abb10018eda2a9f608

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
SignatureK6UuBKuccBCl9Yc3gxUO/du2IHzBVrWxdWifpxh0xe2spQjED6NJxoQIghdk67JXtZF4gaIyl+LYOkEqkH6bBw==
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

2026-09-17T09:56:09.557956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084251
observed 7728ddb3a7ead2c5f2483fb7577ca7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.538672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084251/manifest.json
observed 496c17f4f7279f95582e81ca7fd2f7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.519406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084251/publication.md
observed 0b51fbd4d9178eb84b560c51a0708a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.501786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084251/publication.txt
observed 3b9732181ccaba3b416937a8e7915ee4...
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.