OpenTechnical

OT-2026-000070416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000070416) never changes.

Identity and time

Publication numberOT-2026-000070416 · never reused
Internal UUID01a0ae91-545f-7c4b-8b87-c1c43b1f3408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070416
StatusPUBLIC

Content hashes

Canonical text0148d89d44310ad629cea48833f08d35b5af44b3039e8d93212955c92fc2bf7f
Markdownf6033dca3fa203299b3df6c9cac10859af208125e590dd7e7e7bdc2fb0247504
PDF
Publication page33efce19c9cf39bb721b0fbe841b1b3dca059bba817cb498b2feef480317f74c
Manifest9a5d6bca74f7edbca523167a736a0380a6e5fea243b19c0ba11aae525112c70a

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
Signature3Yo+IaSldfJM1r+urp/wOjNKZ8VmK3rvBHXSf0UGflnFn/vg/oFx1srKsPcB8OGCEIrNpRvrZiGSv9l4tELcAQ==
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

2026-09-17T10:26:13.721497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070416
observed 33efce19c9cf39bb721b0fbe841b1b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.702540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070416/manifest.json
observed 9a5d6bca74f7edbca523167a736a0380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.678473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070416/publication.md
observed f6033dca3fa203299b3df6c9cac10859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.577783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070416/publication.txt
observed 0148d89d44310ad629cea48833f08d35...
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.