OpenTechnical

OT-2026-000086474

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000086474) never changes.

Identity and time

Publication numberOT-2026-000086474 · never reused
Internal UUID01a0ae9a-2c97-73fa-a02e-2f9c7f0f9721 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086474
StatusPUBLIC

Content hashes

Canonical textcb4ffe4193fee82590d8f95200450fbd2101e7e808d1162a8efed42159c06977
Markdown019fb521ca7491aeaf8fdf2452ea9626e0a60555b72b2e3b86f78d90681e501d
PDF
Publication pageb0ef9cdf3de6e91bbf9729365d296dd6b97d7a92399de96884d614621c9ede1a
Manifest35aa54b7bec13c7c6ccfa65dae49c2691a940ad6331d50e505870287b99f2635

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
SignatureeP4BkjuQprw5w98dI26U1XLkj0Ry37Wf1vHL3gtsAzRBQy2XUmtiL/DnT9oJHpyhM6i/9pwC4OEPQSnkw0yzBQ==
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

2026-09-17T09:52:16.947047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086474
observed b0ef9cdf3de6e91bbf9729365d296dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.929168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086474/manifest.json
observed 35aa54b7bec13c7c6ccfa65dae49c269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.911086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086474/publication.md
observed 019fb521ca7491aeaf8fdf2452ea9626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:16.892148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086474/publication.txt
observed cb4ffe4193fee82590d8f95200450fbd...
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.