OpenTechnical

OT-2026-000077798

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000077798) never changes.

Identity and time

Publication numberOT-2026-000077798 · never reused
Internal UUID01a0ae95-2ed0-7378-bcbd-b03840566b5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077798
StatusPUBLIC

Content hashes

Canonical text9d2e664100a8c3a06702112c81dbba8637e6107eaa454e6413cc1677a4fc6b3e
Markdown732d3df9c0ae42e7378d983b1f7463615b28bfc73e6a1c84f19f27d4237c30e1
PDF
Publication page0b3854744e675211313f01fc9b7f8e70fc1378f44324920de61121556ea8f98a
Manifest232418fe1fe00413ce79f5d13097445b3c77f76eca0fa277eccf53d6f95754e5

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
Signature+zcq8H/I8vPEA4R2oSYiKwIJ/3kSz0/OeLMNQ5SctZ1PQrO5AfDMhodjyOLJZJittziGmvBu9+BVP74dNnAvAA==
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

2026-09-17T10:07:23.357356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077798
observed 0b3854744e675211313f01fc9b7f8e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.282805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077798/manifest.json
observed 232418fe1fe00413ce79f5d13097445b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.263594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077798/publication.md
observed 732d3df9c0ae42e7378d983b1f746361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.193836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077798/publication.txt
observed 9d2e664100a8c3a06702112c81dbba86...
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.