OpenTechnical

OT-2026-000067136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000067136) never changes.

Identity and time

Publication numberOT-2026-000067136 · never reused
Internal UUID01a0ae8f-14ff-7176-9c0f-752433492e3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067136
StatusPUBLIC

Content hashes

Canonical text6e9c7ca6668c5ffea1f9daec44bb1d70201fbfaa95ccb0e0b2db164df7c637e6
Markdown48666b562968beace91b5f23726d725c61cf5281395d0129d7d34f5f272d9980
PDF
Publication paged707e97dcb88208fcc78afd3452351e80c47a5219bc51f50af16fabcaeef5d1e
Manifest8dfac76c37e5c5048f015e9ffb8d8428988139ba67c05db25f1c116feed4c966

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
SignatureEWZAQjE6tm2ncPlsXjr1K2xkZrPPDvyyGeHrZEbMGNoYl2dfP5lj6MkM4bXHkw2oJBRy5Yo71IvOGqBlvLmaBQ==
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

2026-09-17T10:32:24.641280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067136
observed d707e97dcb88208fcc78afd3452351e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.622762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067136/manifest.json
observed 8dfac76c37e5c5048f015e9ffb8d8428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.604541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067136/publication.md
observed 48666b562968beace91b5f23726d725c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.586516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067136/publication.txt
observed 6e9c7ca6668c5ffea1f9daec44bb1d70...
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.