OpenTechnical

OT-2026-000064990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000064990) never changes.

Identity and time

Publication numberOT-2026-000064990 · never reused
Internal UUID01a0ae8d-debe-7b1b-8174-ae976f539a14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064990
StatusPUBLIC

Content hashes

Canonical textd72f8749330eccb5d182fcc1015faa6c92a2081269eba0df2e2004b987a62208
Markdown9fe255d7ebc6a1b7eb0c02c2357114aa811673a3d01bb51af412704acaa8f6c8
PDF
Publication paged5538730aa45acc667752cd553c9b6845d6a9c833518422df0b6b681710d5537
Manifesta7af801c2d1b30d49a8ae1905d37c0013af4e5b319fb2d9d72e94ba60b7c2734

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
Signature3RcP1/3gpUOUVB9DzP/2L1x5N9zU3QL1PQ+vGoTg+8VNHTXYbcFP9OF/gT34iOkzTQo1t7KR2TbGWTkEpW3xBw==
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

2026-09-17T10:35:56.679551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064990
observed d5538730aa45acc667752cd553c9b684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.661195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064990/manifest.json
observed a7af801c2d1b30d49a8ae1905d37c001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.640962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064990/publication.md
observed 9fe255d7ebc6a1b7eb0c02c2357114aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.621660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064990/publication.txt
observed d72f8749330eccb5d182fcc1015faa6c...
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.