OpenTechnical

OT-2026-000078670

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000078670) never changes.

Identity and time

Publication numberOT-2026-000078670 · never reused
Internal UUID01a0ae95-ccbb-7f05-b515-d2cfeff49946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078670
StatusPUBLIC

Content hashes

Canonical textadd96d857903085c5a8b5bbf4874ac7436bf1d816f0116279257f7ae4ab81b64
Markdownf3dd759314b0dc6f82efdd2db8259ed347cd8421f43ba79a3104558351929cfa
PDF
Publication pagebd38752637298d79d577c3d171faa8bfa08a194296d21d17683218b46efc9076
Manifest5a86d0d87c6a1510ed147fd236c5ba15f85b8e1bd8c43c4d2fee0d4d2f050f37

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
SignatureYyJ/G3bRpP7Aws3U9E99rp1f9nYDm7A/JDDTIhTYNxkyL5W2VRiBNEEtjVlHHIInvIdP0Pk6epNdI+0gVi2RCg==
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

2026-09-17T10:05:26.713352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078670
observed bd38752637298d79d577c3d171faa8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.697120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078670/manifest.json
observed 5a86d0d87c6a1510ed147fd236c5ba15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.679472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078670/publication.md
observed f3dd759314b0dc6f82efdd2db8259ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:26.661801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078670/publication.txt
observed add96d857903085c5a8b5bbf4874ac74...
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.